Contrary to popular belief, the US involvement in Vietnam began in 1953 when Truman secretly supported the French during the Vietnamese war of independence. Eisenhower then sent "advisors to the region", some 5,000 I believe. Then Kennedy increased this by a further 8000-9000 troops. The kennedy administration also passionately supported President Diem of Vietnam, who they installed and who committed copious amounts of human right violations. The US eventually "disposed" of him <span>(assassinated), this showed the extent the Kennedy administration was involved in Vietnam. </span>
If you are referring to president Andrew Johnson then it is true. They were against him to the point where they even engaged in an impeachment process that only failed by 1 vote. They opposed him on almost all things that he ever presented.
They moved to escape religious discrimination, so they could practice their beliefs safely.
Just like Rosie The Riveter, women had to work in the factories and take over the men's work as they went off to fight. Women's rights were being recognized as they completed jobs that had before been considered impossible and improbable for women to accomplish.