The Articles of Confederation were ratified by all 13 states on March 1, 1781.

The Articles of Confederation were designed to create a loose alliance of states, rather than a strong central government.

The Articles of Confederation created a unicameral legislature, the Continental Congress.

The Continental Congress had the power to declare war and make peace, but it did not have the power to regulate commerce, levy taxes, or raise an army and navy.

Decisions in the Continental Congress were made by a unanimous vote, which meant that all 13 states had to agree.

The Articles of Confederation had several weaknesses, including the inability to regulate commerce, levy taxes, and raise an army and navy.

Shays' Rebellion, a farmers' uprising in Massachusetts, led to the replacement of the Articles of Confederation with the Constitution of the United States.

The Constitution of the United States was ratified by all 13 states on June 21, 1788.

The Constitution of the United States created three branches of government: the legislative, executive, and judicial branches.

The legislative branch had the power to declare war and make peace, regulate commerce, and levy taxes.

The executive branch had the power to veto laws, appoint judges, and command the armed forces.

The judicial branch had the power to interpret laws and declare laws unconstitutional.

The Constitution of the United States addressed the weaknesses of the Articles of Confederation by giving the federal government more power, creating a stronger executive branch, and establishing a system of checks and balances.

The Constitution of the United States was significant because it created a strong and lasting government for the United States, established the principles of democracy and individual rights, and inspired other countries to adopt democratic constitutions.

The Articles of Confederation were replaced by the Constitution of the United States because they were too weak, did not allow for a strong central government, and did not protect individual rights.