They moved to the new world to practice religious freedom
It was "Trotsky" who welded the new Red Army into a disciplined fighting force, although his efforts would prove ultimately to be in vane since he was later persecuted for being a traitor to the state.
East and West Berlin were separated by the "Berlin Wall" during that Cold War that existed between the United States and Soviet Russia, since this was meant to keep people in East Berlin from fleeing to the western half.
If you meant trade market, the answer is true
President LBJ made an incorrect claim that North Vietnamese forces had attacked American destroyers twice