What are the main diffrences between the Articles of Confederation and the Constitution?

The primary difference between the Articles of Confederation and the Constitution is that the Articles called for a confederate style of government. The Constitution, however, outlined a federal form of governance. The dissimilarity between the two occurs when sovereign power is granted.

Voting in Congress is stated as one vote per state in the articles of confederation, while in the constitution is one vote per one representative. The system of appointing members is in the manner that representatives are to be elected by the popular vote in the constitution.