European Expansionism. ... The expansion of European nations as empires (also known as imperialism) can be seen as a key cause of World War I, because as countries like Britain and France expanded their empires, it resulted in increased tensions among European countries.
The United States and Soviet Union reacted to the split nation of China by supporting superset state nationalist (United States) and by providing military, financial and technical aid to the communists or the Maoists (Soviet Union) though the provision by the Soviet Union did not last long.
Eisenhower led the opening phases of the Italian campaig.
He served as the supreme commander of Operation Overlord, the Allied invasion of Normandy, and took command of subsequent operations in France.
In agriculture you don't need to build factories to process and manufacture goods. The only benefit I would say is it became easier, but didn't change much.