It was his campaign against British Control of salt production
Before Japan bombed parole harbor we didn't want to get involved in any of it. so the answer is D because that's when we got involved with other countries again.
Mechanized Warfare is the one that allowed for the safe transport of American troops to Europe. Merchanized Warfare ii also known as Armoured warfare or tank warfare which is the use of armoured fighting vehicles in mordern warfare. It is used to transport safely the troops of America to Europe.
In the 1920s and 1930s, the Japanese invaded surrounding territories mainly because they "needed natural resources" to fuel their domestic growth, since Japan is a very small island and lacks many of these necessary resources.
