Colonel joshua chamberlain led a successful defense against the south at little top.

  The correct answer is : Little Round Top

Explanation:  Chamberlain led the most famous attack of the Civil War. Little Round Top was a hill located 650 feet high, it was clear of trees and could accommodate the troops very well, it was a strategic site for battle. When the ammunition was running out Chamberlain decided to load the bayonets and counterattack and thus obtained the victory.

yes.

explanation:

because it let the japanese know who had the upper hand in the war.

d. dr. francis collins