This question has two parts. First, answer Part A. Then, answer Part B. Part A How did the start of the American Revolutionary War affect Rittenhouse? O He used his talent making instruments to aid the war effort O He used his surveying skills to aid the war effort O He moved to Pennsylvania to aid the war effort O He began teaching astronomy to aid the war effort please help I'm crying I don't wanna fail:(

A.Philadelphia was the headquarters, if not the official capitol, of the colonies during the American Revolutionary War.

B.This historical city hosted the First Continental Congress, which was held in Carpenter's Hall, before the war, and the Second Continental Congress, which signed the Declaration of Independence.

Explanation:

the answer is expolration. hope this !

1 > george s. boutwell

2 > general ulysses s. grant

3 > james a. garfeild

4 > adolph e. borie