It's A) the US must be a leader in innovation in order to help steer its course.
Physical Sciences have to do with scientific experiments. HOPE I HELPED!
Both nationalism and imperialism, along with militarism, were very intertwined during this time, since nationalism created an "us vs. them" type of mentality that led countries to want to take over and occupy more territory.
Answer:Im pretty sure its false
Explanation:
It allowed the independent Soviet nations and satelite states to choose democracy over communism