Question 7 of 11 How did better boats and compasses affect Chinese trade during the
postclassical era?
A. They reduced China's trade with Japan, Korea, and Vietnam.
B. They let China trade with markets in Europe and Africa.
C. They helped sink foreign ships trying to trade in China.
D. They led to China shutting down its land-based trade routes.

cuban communists pressured the soviet union to place missiles in cuba.

a.tensions between the colonial elites and the backcountry men of virginia.

abraham lincoln  (february 12, 1809  – april 15, 1865) was an american statesman, politician, and lawyer who served as the 16th  president of the united states  from 1861 until  his assassination  in april 1865. lincoln led the nation through the  american civil war, its bloodiest war and its greatest moral, constitutional, and political crisis.[2][3]  he preserved the  union,  abolished slavery, strengthened the  federal government, and modernized  the u.s. economy.

1.) irish.

2.) settlers could obtain cheap land nearby

3.) steam engine

explanation: