WW2 Axis powers had enough successes early in the war to make dramatic gains in the European and Pacific theaters of war, but enough failures to doom themselves to ultimate defeat. ... Hitler invaded Poland on 1st September 1939 and Britain and France declared war on Germany two days later.
I’m assuming C but I’m not sure
Mostly due to the ideas of Manifest Destiny. They started going westwards with the desire to span the United States from coast to coast, and then they started going worldwide. The idea behind it is that the United States were destined to help the world become free and democratic like they were so they started helping people worldwide in rebellions against colonialism or in similar affairs.