World War II in Europe began with Germany's invasion of Poland on September 1, 1939. Therefore, the answer is C) Germany's invasion of Poland. Hope this helps!
In cross sectional research, a researcher compares multiple segments of the population at the same time.
<h3>What is cross sectional research?</h3>
It is a type of research design in which data are collected from many different individuals or segments.
This data are analyzed at one specific point and time.
Therefore, a cross sectional researcher compares multiple segments of the population at the same time.
For more information on cross sectional research kindly check
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<span>It destroyed Confederate hope for negotiated peace.
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B, i believe, it wouldn’t be D or A because both of those are on the positive side of an government.