What were the causes of shay's rebellion?

Debt and tax collection

Explanation:

Shays' Rebellion was caused by the large amount of debt that farmers were experiencing in the 1780s and a lack of economic crisis laws in Massachusetts. Shays' Rebellion was ineffective in its goal to help farmers, but it did lead to Massachusetts' Governor James Bowdoin losing the following election. Shays Rebellion took place during 1786 and 1787.

africa’s population declined

explanation:

it is called colombian exchange: the process occurred between the fifteenth and sixteenth centuries in which agricultural products and other foods of the new world (the american continent) in the old world (europe, africa and asia) and vice versa were made known. a broader definition also includes technological advances, demographics and even diseases._souljaboislat66

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