Which of the three continents Africa, Europe, America had the biggest impact on the formation and development of the United States?

After world war 1 immigration was based on

Nazis who forced jews to live in ghettos also forced them to

Humans during the paleolithic era used fire for each of the following purposes except a. for cooking meat b. for use as a weapon c. for heat and warmth d. for treating animal hides select the best answer from the choices provided