ising and supporting armies, regulating and maintaining navies, and calling forth the militia. In Article I, Section 8, the Constitution stipulates, “The Congress shall have power to declare war, grant letters of marque and reprisal, and make rules concerning captures on land and water; to raise and support armies, …to provide and maintain a Navy; to make rules for the government and regulation of the land and naval forces; to provide for calling forth the militia to execute the laws of the Union, suppress insurrections and repel invasions; to provide for organizing, arming, and disciplining the militia….” With these powers, the Federal Government can not only protect the land and provide guarantee for the development of the country, but also create conditions to invade other countries on the grounds that it has the power to declare war, grant letters of marque and reprisal. The framers of the U.S. Constitution regarded the military power of the Federal Government as a tool to protect the domestic interests of their country from foreign invasion. John Jay, one of the three writers of “The Federalist Papers” and the first Chief Justice of the Supreme Court, even said that when a country wanted to gain something, it would engage itself in a war. Most representatives in the Constitutional Convention had realized that when the United States broke up, it would easily become a sacrifice to its neighboring and enemy states. They saw that other countries still threatened the security of the United States. The Great Britain was unwilling to secede from America and kept military bases in the Northwest boundary of the United States. At the same time, France blockaded some important river mouths so that it could monopolize the market, and Spain also tried to blockade the Mississippi River. The European powers did not want the United States to develop into a powerful nation, or to share their market, neither in the United States itself nor abroad. The framers of the U.S. Constitution fully realized that a strong navy and land