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.
In theory, a market economy with many producers will most efficiently provide products. The reason for this, is that a market economy is ruled by consumers' needs and wants (as opposed to what the government thinks should be) and producers will compete to satisfy these market's needs.
The Israeli Palestinian conflict is a major scar in American foreign policy especially in the middle east becasue not only does it threaten Israeli security,but it is also a major source of Arab region resentment toward USA, therefore threatening the USA security and business interests in the region as well. This comes at the backdrop of the fact that Israel is USA staunch ally.
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I believe this is referring to the Contra groups of Central American nations
