Explanation:
Equal right to vote...........
Historians.
Historians are people that study, describe, and explain the past or the history as it is otherwise referred to as.
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Answer: C. aspirin; headaches
Explanation:
The variables in an experiment are either dependent or independent. An independent variable is the change that is introduced to test the hypothesis. A dependent variable on the other hand is the one being monitored or measured due to the introduction of other variables.
Here Headaches are the dependent variables as the experiment is to monitor whether the introduction of aspirin, the independent variable, takes headaches away.
D. The fear of the spread of Communism
