In the 1600s and 1700s, European plantations in the West Indies "<span>turned to slavery to fulfill their need for workers," since many of the native and local people were forced to work against their will. </span>
<span>c. The decline of Mughal power allowed the East India Company to expand its trading operations across the region.</span>
The correct term is voter turnout.
Voter turnout represents a percentage of how many eligible voters came out and participated in a recent election. Demographics refers to breaking down individuals who voted in elections based on different factors like race. The other two terms are somewhat unrelated to voting.
Your answer is:
<u>"the Congress of the United States"</u>
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Hope this helps!
South Carolina is the state where the secession crisis started.