Answer:
The new domestic slave trade helped increase the productivity of the plantation system by offering more slaves to work.
Answer:
What was the significant cause of decline for the Songhai Empire?
In 1590, al-Mansur took advantage of the recent civil strife in the empire and sent an army under the command of Judar Pasha to conquer the Songhai and to gain control of the Trans-Saharan trade routes. After the disastrous defeat at the Battle of Tondibi (1591), the Songhai Empire collapsed.
Explanation:
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The most important holdings were Angola and Mozambique
answer
The Constitution specifically grants Congress its most important power — the authority to make laws. ... These include the power to declare war, coin money, raise an army and navy, regulate commerce, establish rules of immigration and naturalization, and establish the federal courts and their jurisdictions.