The first computer or ENIAC (Electronic Numerical Integrator Analyzer and Computer) which the University of Pennsilvania built to do ballistics calculations for the U.S. and other early computers proved to many universities and corporations that these machines were useful because They could solve problems in 30 seconds that otherwise would have taken 12 hours by hand.
For this reason, most of the first computers in the United States were purchased by universities and corporations in spite of the space ,manpower and the tremendous investment of money, they demanded in this early stages.
Similarities between Japanese and European feudalism include a social system of various classes with little possibility of mobility from one class to another, the proffering of allegiance in exchange for protection, a warrior class with a code of honor and a peasant class tied to the land. Both societies also had clergy that functioned outside the normal feudal system.
The Commerce<span> Clause describes an enumerated power listed in the United States Constitution (Article I, Section 8, Clause 3). The clause states that the United States Congress shall have power "To </span>regulate Commerce with foreign Nations<span>, and among the several States, and with the Indian Tribes." hope this helps </span>
Wagon trains were caravans of covered wagons each wagon pulled by horses. This is the type of caravan that saw used traveling the orogen trail and by other settlers moving west across the united states. Played the computer game "Oregon Trail" to get a realistic idea of what life on a Wagon Train may have been like...."Oops you died of starvation."
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The main goal of Richard Nixon´s Vietnam policy changed the focus from the search of victory to an honorable exit for the United States, "peace with honor" as president Nixon used to tell the public and the media, and to give a large responsibility to the local South Vietnamese government and army in the fight against Communists.
He also formulated a concept that came to be called the Nixon Doctrine, which meant that the U.S. would not get directly involved in fighting in proxy wars , but it would give allies a larger role in fighting against communist movements or guerrillas in Asia (or elsewhere), and that they would get weapons, supplies and U.S. advisors.
While the war in Vietnam went on and although he was willing to use overwhelming force in some cases, Nixon conducted diplomatic talks with the North Vietnamese in Paris, which concluded with a peace accord that allowed the withdrawal of most American troops in 1973. He also attempted to get the support and good will of China to get a peace agreement (given China´s important support for the Vietnamese Communists) while he visited Beijing in 1972.
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