What were the positive and negative effects of the silver trade with respect to Spain?

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

How did the treaty of versailles cripple germany after world war one ?

What types of subjects did public high schools in the 1900s emphasize and why