D.
the deliberate modification of Earth’s surface through cultivation of plants and rearing of animals
The cold war affect Europe by dividing it between communist and Democratic countries, which essentially divided Europe into Western Europe and Eastern Europe. This divide caused tension, political unrest and economic difficulties.
Answer: Some Nazi scientists were brought to the USA to work with NASA during Operation Paperclip and other Nazi's ended up in Latin America, particularly Argentina though also in Paraguay, Colombia, Brazil, Uruguay, Mexico, Chile, Peru, Guatemala, Ecuador and Bolivia, as well as the United States, Spain and Switzerland.
Larger in size. If you mean the damage by “size”, then Hiroshima was a lot worse than Nagasaki which means larger.