Manhattan Project
the development of the atomic bomb, the best-kept secret of the war, even Truman didn't know about it when he became president; it was called that b/c it was mainly being worked on at Columbia University in Manhattan
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One of the biggest problems was that the national government had no power to impose taxes. To avoid any perception of “taxation without representation,” the Articles of Confederation allowed only state governments to levy taxes. To pay for its expenses, the national government had to request money from the states.
The answer is :A.The federal government lost power over the states through the policy of "new federalism."
The French and Indian War. This was a war between Britain and France, not the French and Native Americans as the name suggests. The name comes from how the Native Americans/Indians allied themselves with the French.