A. women earned the right to vote in most democracies by organizing protests.
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D) Muslim armies carried their faith west across the top of the entire continent
Answer:
An experiment
Explanation:
The investigation in which a hypothesis is scientifically tested is called hypothesis. In the experiment cause (Independent Variable) and the effect ( dependent variable) is measured and extraneous variables are controlled. The opinions and views of the researcher should not have any effect on the results of a study, it made the data less biased and more valid.
True, it required them to pay to register to vote