Final answer:
The branch of government under the Articles of Confederation was the Legislative branch. The national government consisted of a unicameral legislature called Congress, with no separate executive or judicial branches.
Step-by-step explanation:
The branch of government under the Articles of Confederation was b. Legislative.
The national government consisted of a unicameral legislature called Congress, which was composed of state delegations. There was no separate executive branch or national judiciary.
For example, the Articles of Confederation authorized a one-house congress composed of two delegates from each state, who served one-year terms. The President of the United States was the chair of the Confederation Congress, elected by its members, but there was no separate executive branch.