What prompted the United States to join the fighting in world war 1? A. An attack on Pearl Harbor

B. The sinking of American ships in the Atlantic

C. The sinking of American ships in the Pacific

D. The assassination of an archduke

The U.S. entered World War I because Germany embarked on a deadly gamble. Germany sank many American merchant ships around the British Isles which prompted the American entry into the war

Explanation:

America entered WWI because Germany sank many of their ships near the British isles

Explanation:

so B

The slaves   win the battles in the southern colonies.the reason behind that is because they were fighting for their freedom.but in order to do that they had to fight and  win the battles in the southern colonies as it says in this source:   hope this .