Which of the following hindered the cold war?

Ineed to have answers for numbers 2-4 reply to this question

Why did european nations face financial challenges after world war 1?

Historians believe that animals drawn in cave paintings during the paleolithic era could have represented each of the following except a a. successful hunt b. domesticated pet c. god that was worshipped d. way to obtain an animal's spirit select the best answer from the choices provided