A) James Madison
hop i help friend me and i will answer all your q
A. Missionaries talked them into becoming christian
He demanded free elections
Yes the climate affected how they grew foods.
The Answer you are looking for is B).
If you look back at WWII the way the U.S. ended the war was with a plane dropping the 2 atomic bombs on Japan. So I think that the "use of air-power" did more than a little to help change the way the war was fought.