In March 1965, Johnson authorized the dispatch of U.S. battle forces into fight in Vietnam. By June, 82,000 battle troops were positioned in Vietnam, and military leaders were about 175,000 more before the end of 1965.
Johnson decided with the solid support of the American citizens. In march 1965 United states sent its armed forces into the battle in the jungles of Vietnam.
By the coming June, around 80000 ground forces were stationed in Vietnam and later many more soldiers were sent from the United States to Vietnam to take part in battle till the end of 1965.
They saw plessy v Ferguson as that the were "separate but equal" meaning that all races were given the same opportunities but were segregated. Let me know if this is right/ helps!
The immigrants who came to the United States between 1870 and 1915 were seeking a better life. They were fleeing poverty and looking for new opportunities.