For most of human history, what was the total population?

Which of the results of cultural blending do you think has the most lasting effects on a country

Who did president kennedy choose to be the director of the peace corps? a. his brother ted kennedy b. his sister jean kennedy c. his brother-in-law sargent shriver d. his sister-in-law joan kennedy

The 20th amendment, also called the lame duck amendment, decreased the amount of time between the presidential election and the inaugration of the new president. what are the advancements that allowed for this amendment?