What occurs when more than one wave travels through the same medium at the same time

What event brought the us into wwii? what conflicts happened after the us entered the war? i know the first part of this question, i need with the second part.

Which of the following words best describes gregor’s life as expressed in this passage the metaphorphosis

What was the biggest difference between government in ancient athens and in ancient rome? rome was a direct democracy, and athens was not. athens allowed all citizens to vote, while rome was a republic. athens allowed women and slaves to vote, but rome did not. rome had a bicameral assembly, and athens did not.