They needed leaders and they started to elect leaders to govern them but as time passed nobody did a good job governing and they decided to live lives as they pleased
Answer:
The social science that are in these pictures is anthropology.
In the pictures I can see that the bones have been there for a long period of time . Also, the bones can be anywhere or even very close to each other. There are whole where the bones might be meaning there can be where there cemetery were until they had all die.
E: both B and D. The automobile and the mass assembly line
The main reason we didn't join the League of nations is because we had the policy of isolationism
isolationism = America wants to focus on ourselves, we want to stay out of trouble
Because i really really like cheese>!!!!!!!!!!