"<span>a. Communists rule North Korean-China and the Soviet Union back North Korea" would be the best option, since both China and the USSR viewed this rise of communism power as their best option of spreading their overall influence in the region.</span>
It is believed they invented the sailboat, the chariot, the wheel, and the plow.
It is for certain they invented cuneiform (the first written language). They also invented checkers (the game)...lol.
<span>Which geographic feature was most necessary to early civilizations?
Answer: C-rivers</span>
Sand duh itd pretty obvious coral too