Final answer:
The second draft of the Articles of Confederation switched to a bicameral legislature, which means it had two chambers. This change was made to create a more efficient and balanced lawmaking structure.
Step-by-step explanation:
The second draft of the Articles of Confederation switched to a bicameral legislature. The original Articles of Confederation authorized a unicameral legislature, but the delegates at the Constitutional Convention of 1787 realized the need for a more efficient and balanced lawmaking structure. As a result, they adopted a two-chamber Congress, with states having more representatives based on their population.
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