The ottoman, safavid, and mughal empires are sometimes referred to as the "gunpowder empires" because of their use of gunpowder when conquering. these empires would have not been exposed to gunpowder had it not been for
a) marco polo.
b) the silk roads.
c) china's grand canal.
d) the great wall of china.

Write two paragraphs to explain how the cold war changed after the 1960s. first, identify the ways it changed during leonid brezhnev's leadership in the 1970s. then, explain how the cold war changed when ronald reagan was in office in the early 1980s. include supporting facts and details from the text in your response.

The clergy comprised the wealthy first estate, with members of noble descent in particular having a great deal of power. what was the score of the clergy’s wealth

Which of the four planes was hijacked first? a. flight 175 b. flight 77 c. flight 11 d. flight 93