What does the Constitution forbid Congress from?

Asked by: Pauline Hessel  |  Last update: May 8, 2026
Score: 4.1/5 (65 votes)

The U.S. Constitution forbids Congress from many actions, including passing bills of attainder (punishing without trial) or ex post facto laws (retroactive criminal laws), suspending habeas corpus (except in emergencies), granting titles of nobility, establishing a state religion, restricting free speech/press/assembly, and giving preference to one state's ports over another's. These limitations, detailed in Article I, Section 9, and the Bill of Rights, ensure fundamental liberties and prevent abuse of power.

What does the Constitution forbid Congress from doing?

Congress shall make no law respecting an establishment of religion, or prohibiting the free exercise thereof; or abridging the freedom of speech, or of the press; or the right of the people peaceably to assemble, and to petition the Government for a redress of grievances.

What powers are denied to Congress by the Constitution?

Section 9 Powers Denied Congress

No Bill of Attainder or ex post facto Law shall be passed. No Capitation, or other direct, Tax shall be laid, unless in Proportion to the Census or enumeration herein before directed to be taken. No Tax or Duty shall be laid on Articles exported from any State.

What does the U.S. Constitution forbid?

No State shall make or enforce any law which shall abridge the privileges or immunities of citizens of the United States; nor shall any State deprive any person of life, liberty, or property, without due process of law; nor deny to any person within its jurisdiction the equal protection of the laws.

Does the Constitution forbid Congress from declaring war?

The Constitution grants Congress the sole power to declare war. Congress has declared war on 11 occasions, including its first declaration of war with Great Britain in 1812.

Why Does The Constitution Prevent Congress From Taking Away Our Right Of Habeas Corpus?

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What does article 7 of the US Constitution say?

Article VII of the U.S. Constitution is about the ratification process, stating that nine of the thirteen states' conventions needed to approve it for the Constitution to become the law of the land, establishing a pathway for the new government to take effect without requiring unanimous consent from all states, which had previously stalled the Articles of Confederation.
 

Why doesn't Congress declare war anymore?

Congress hasn't formally declared war since WWII due to political cost, the president's expanded power to wage undeclared conflicts, and the desire to avoid war's severe legal/economic triggers, opting instead for "Authorizations for Use of Force" (AUFs) that give flexibility without full war's domestic statutes, all while international norms shifted away from formal declarations. 

What is the most glaring error in the Constitution?

FASCINATING FACTS ABOUT THE U.S. CONSTITUTION: 1. Of the spelling errors in the Constitution, PENSYLVANIA above the signers' names is probably the most glaring because today, Pennsylvania is spelled with two Ns; in 1781, the spelling with one N is also correct.

What is not protected by the Constitution?

The categories of unprotected speech include obscenity, child pornography, defamatory speech, false advertising, true threats, and fighting words.

Which is the no. 1 Constitution in the world?

The Constitution of India, adopted on 26 November 1949 and enforced from 26 January 1950, stands as the world's longest written constitution.

What are four things Congress may not do according to the Constitution?

Expost facto laws (Congress cannot make a law and then charge somebody who already did it in the past). Writ of habeas corpus (Congress cannot arrest and charge someone without evidence of said crime). Bill of Attainder (Congress cannot jail someone without a trail). Grant titles of nobility.

Can Congress override the Constitution?

As long as the directives that Congress enacts are indeed authorized by the Constitution, they take priority over both the ordinary laws and the constitution of each individual state.

Where would you find a list of powers forbidden to Congress?

The powers denied Congress are specified in a short list in Article I, Section 9. The article begins by prohibiting Congress from limiting the slave trade until 1808, one of the key compromises between the northern and southern states.

How can Congress be removed from office?

The U.S. Constitution expressly grants each house of Congress the power to "punish its Members for disorderly Behaviour, and, with the Concurrence of two thirds, expel a Member." Expulsion is the process by which a house of Congress removes one of its Members after the Member has been duly elected and seated.

Can the president create a new department without Congress?

Despite the broad authority granted by the United States Constitution to the president, they do not have "unilateral and unrestrained authority over the Executive Branch" and "congressional action is required to create Executive Branch departments, to fund them, to determine the nature and scope of their duties and to ...

Why does the U.S. Constitution limit the powers of Congress?

The Framers of the Constitution of 1789 created a powerful national legislature to represent both the People and the States. Yet they also feared its awesome power and therefore determined to limit that power in order to protect individual liberty.

What are three rights not listed in the Constitution?

The Supreme Court has found that unenumerated rights include such important rights as the right to travel, the right to vote, and the right to keep personal matters private. State constitutions have also been interpreted to protect unenumerated rights.

What does Article 23 prohibit?

Article 23, Constitution of India 1950

(1) Traffic in human beings and begar and other similar forms of forced labour are prohibited and any contravention of this provision shall be an offence punishable in accordance with law.

Is the f word protected speech?

Yes, the "f-word" (profanity/obscenity) is generally protected speech under the First Amendment, as the Supreme Court has ruled that offensive or vulgar words alone aren't enough to restrict speech; however, it loses protection if it crosses into unprotected categories like "fighting words" (direct personal insults likely to provoke violence), true threats, or is part of obscenity, though courts have narrowed these exceptions significantly, as seen in the Brandi Levy case where school-related online swearing was protected. 

What is the most controversial Constitutional Amendment?

The 42nd Constitutional Amendment Act, 1976 is one of the most significant and controversial amendments to the Constitution of India, often referred to as the “Mini Constitution” due to the extensive and wide-ranging changes it introduced.

What word is misspelled in the U.S. Constitution?

The U.S. Constitution has 4,400 words. It is the oldest and shortest written Constitution of any major government in the world. Of the spelling errors in the Constitution, "Pensylvania" above the signers' names is probably the most glaring.

What is the most misunderstood amendment?

609 (2021). Abstract: The Eleventh Amendment might be the most misunderstood amendment to the Constitution.

Can the president declare martial law without Congress?

On a national level, both the US President and the US Congress have the power, within certain constraints, to impose martial law since both can be in charge of the militia. In nearly every state, the governor has the power to impose martial law within the borders of the state.

Can Congress overrule the president?

Yes, Congress can override a presidential veto, but it requires a two-thirds supermajority vote in both the House of Representatives and the Senate, turning a vetoed bill into law without the President's signature. This override power is a key check on presidential authority, allowing Congress to enact legislation even if the President opposes it, though such overrides are historically rare. 

Can the president do anything without Congress approval?

Yes, the President can act without direct Congressional approval on many matters, primarily through executive orders, directives, and inherent executive powers (like commanding the military), but they cannot make laws, declare war, control spending, or override existing statutes; Congress retains checks, like passing legislation to overturn orders, controlling funding, and overriding vetoes, while courts can strike down unconstitutional orders.