The map shows the population of enslaved people in the United States in 1790. A map of Enslaved People in the United States in 1790.

This map helps to demonstrate why

certain states embraced the Virginia Plan.
certain states opposed the idea of taxes and tariffs.
the Articles of Confederation did not succeed.
the New Jersey Plan proposed a strong central government.

A) Certain states embraced the Virginia Plan

Explanation:

It was eventually agreed, for the sake of preserving a chance at union among the states, that slave holding states would be permitted to count three-fifths of their slave populations towards representation in Congress. So therefore, slavery and the map and the Virginia Plan are the ones that all tie together !

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it required the unanimous approval of the states before the congress could enact any measure.