B. Allied forces began to take the offensive for the first time in the Pacific
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Validity," since this means that the claims are "valid" and therefore come from reliable and trustworthy sources
Answer:
1.) A common explanation is that the Civil War was fought over the moral issue of slavery. In fact, it was the economics of slavery and political control of that system that was central to the conflict. A key issue was states' rights
2.) The new United States government was thus free to acquire Native American lands by treaty or force. Resistance from the tribes stopped the encroachment of settlers, at least for a while.