Generally speaking, "assembly line jobs" did not represent an obstacle during this time, since this in fact increased productivity through the "specialization of labor".
A. The Aztec and Inca had large, united empires, but the Maya did not. <span>The Mayan region was divided into several independent city-states, some of which became powerful. A king ruled each city-state and served as the head of the government, military, and religion. Each king had a court of followers and was advised by a council. To avoid war, kings often acted as diplomats as they formed alliances with other
city-states. However, diplomacy often failed and, as a result, war between city-states was common. The city-state structure of the Maya prevented them from uniting into an empire.</span>
Your answer would be 2.Richard Nixon.
He visited China in the year 1972!
Good luck!
<span>husband and wife
father and son
friend and friend
older and younger brother
ruler to subject</span>