How did the french navy the americans in the yorktown battle

French fleet kept guard at Chesapeake Bay; the British ships could not get in to help Cornwallis escape by sea. The French Navy prevented the British from getting supplies and reinforcements.

Explanation:

the fact that could also be added to column b is that during world war ii, specifically between the years 1941 and 1945, japan expanded its territory towards the indonesian territory in what was known later as part of the "pacific war". in that time, japan could conquer the philipines, singapore,   borneo, central java, malang, cebu, sumatra and various other islands of the area, therefore expanding its territory for a brief period of time.