Examlex
The purpose of an experiment is to discover whether there is a relationship between the ___________ and the ___________.
a. independent variable; control variable
b. dependent variable; control variable
c. control group; experimental group
d. independent variable; dependent variable
Atlantic Slave Trade
The transatlantic trading of African people, primarily to the Americas, where they were sold as slaves from the 16th to the 19th centuries, a key part of the triangular trade.
Forefront
The leading or most important position or place, often used in the context of being at the forefront of a particular field or movement.
Movement
An act of changing physical location or position or of having this changed.
Cotton Gin
A machine invented by Eli Whitney in 1793 that quickly and efficiently removed seeds from cotton fibers, revolutionizing the cotton industry and significantly impacting the institution of slavery in the United States.
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