Which of the following is a claim about ancient rome that a historian could build an argument around?

Arrange the events in the order with they occured.

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.

Which of the following inventions most directly allowed ancient farmers to produce a surplus ?