What is the purpose of the locks?

to serve as an elevator by raising and lowering ships passing through the canal

to make ships move more quickly as they pass through the canal

to help ships unload their cargo as they pass through the canal

to serve as an elevator by raising and lowering ships passing through the canal

Explanation:

They act as elevators lowering them to next sea through the canal, or raising them to the other sea through the canal. Panama canal is a very good example of this.

evaluate the extent to which the seven years' war (french and indian war, 1754–1763) marked a turning point in american relations with great britain, analyzing what changed and what stayed the same from the period before the war to the period after it.