The power of government provided by the Articles of Confederation only consisted of one branch, which was Congress.
The Articles of Confederation was the United States' first constitution. It is known for being very weak and giving little to no power to the federal government. With the Articles, the federal government could not tax the states, regulate trade, draft soldiers, or even create and enforce laws properly. The Articles of Confederation only gave the government one branch, which was Congress. Congress could do numerous things, but it still wasn't enough to build a strong country. Since the government only had one branch, it was very hard to create and enforce laws. In order to pass a law, 9 out of 13 of the states had to agree to it, and in order to amend the Articles, all of the states had to agree. There was no system of courts, so the judiciary branch was essentially up to the states, this meant they could choose to ignore any laws since none would be enforced properly.
Eventually, during the Constitutional Convention of 1787, the Articles of Confederation was meant to be reworked. It ended up getting thrown out all together and the United States Constitution was created instead.