Compare the emergence of advanced civilizations in Meso and South America with the four early river valley civilizations. How were the Hohokam of North America and the ancient Mesopotamians alike?

Both used irrigation.
Both existed at the same time.
Both lived in grasslands.
Both had a written language.

Why was mao zedong’s communist china ready to use military tactics against the troops of us general douglas macarthur in korea? a. mao zedong had long planned to declare war against the united states. b. us troops kept marching farther into north korea, getting closer to the chinese border. c. us president harry truman threatened to use nuclear weapons against china. d. kim il sung had requested china’s to declare war against the united states.

In what was the 1851 indian appropriations act considered a peace plan according to the federal government

What something thats on the news, and is going on currently?