What were the underlying causes of ww1?

Which entity owns most if the television stations, radio stations, and newspapers in the united states

Why is cheating in college wrong? expecting a good answer about it a good opinion. you.

What was the name of the theory that said that if one country in a region fell to communism, others would surely follow? 1) domino theory 2) arms race 3) brinkmanship 4) containment theory