Because of the British victories at Brandywine and Germantown, George Washington and the Continental Army were forced to spend the winter of 1777-1778 at

Valley Forge

Explanation:

With the onset of the bitter winter cold, the Continental Army under General George Washington, still in the field, enters its winter camp at Valley Forge, 22 miles from British-occupied Philadelphia.

in 1989, tiananmen square in beijing was the site of china’s main industries. china’s government headquarters. -pro-democracy demonstrations. (second choice)

the answer is c. to explore the louisiana purchase