Which accurately describes historical events of the Qin Dynasty? a. The Qin Dynasty welcomed Marco Polo and encouraged trade with many European and Middle East nations.
b. The Qin Dynasty began building the Great Wall of China and left tombs filled with terracotta warriors.
c. The Qin Dynasty was the first Chinese dynasty to be documented in historical texts.
d. The Qin Dynasty invented the crossbow, clock, gunpowder, wheelbarrow, and porcelain.

Which of the following episodes led to widespread charges that president reagan was not in adequate control? a. the u.s. retreat from lebanon after the bombing deaths of 241 u.s. marines as they lay sleeping in their barracks near beirut b. the trading of arms for hostages and the illegal funding of a right-wing insurgency in the iran-contra affair c. the sale of millions of acres of public lands to private corporations by the department of interior d. the proposal to congress, year after year, of federal budgets with huge deficits that ultimately ended up tripling the national debt

Ahistorian who compares the expansion of political systems to the expansion of economic systems is organizing history by o a. region b. culture c. period d. theme

What was the underlying cause of the cold war?