In Tokyo, Commodore Matthew Calbraith Perry, representing the U.S. government, signs the Treaty of Kanagawa<span> with the </span>Japanese<span> government, opening the ports of Shimoda and Hakodate to American trade and permitting the establishment of a U.S. consulate in </span>Japan, maybe this is what your looking for ?
If you're looking for the name of someone who studies the stars it would be an astronomer.
America's view in the Vietnam was fear. Fear drove them to participate in the war. Why fear? They were afraid Vietnam would become communist because if they became communist they would support or have the support from the Soviets. If this were to happen Vietnam could've became a missile launching spot for the soviets if America wouldn't have participated.
It's my best explanation from what I remember and from what I think. Hope it's helpful to you.
Denis Diderot, a french writer who published the first encyclopedia in mid 1700
