Which statement about Valley Forge is true? • The Continental Army became better trained and had a new spirit of unit
• the British had to retreat from an advancing continental army
• The Americans defeated a large British army during the winter
• French military commanders used it as a base to raid the frontier

After Valley Forge the Continental Army was better trained, with a new spirit of unity is true.

Explanation:

After defeated by the British also losing their capital Philadelphia America's General George Washington made his men get trained at Valley Forge. Valley Forge was a military encampment center that took place during the winter of 1777-78.

The American army men were trained in that frost and snow. Even some of the men's families have also stayed with them. They built huts to live. Yet they lacked supplies like food, blankets, dress and even shoes.

The men were marched shoe less and trained naked in those snow. But this hard training led them to win their land back to them later.

what are the issues?

answer; the period of time known as the middle ages;