Why did the United States and the Soviet Union get into a cold war after ww2? There are some notes to help down below. Please dont copy from google.

Their alliance was uneasy and slowly falling apart; hence they thought war would be the answer.

can you give more details

d is the correct answer.

b is incorrect because it makes food by itself

c is incorrect because us humans don't know how to produce their own food using the sun like plants.

a is incorrect because consumers can depend on carnivores for eating food for consumers to eat the dead organism. same thing with omnivores.