How were mercantilism, the columbia exchange, and the atlantic slave trade trade connected during the commercial age?

Which of these resulted in an actual slow down or limiting of the u.s. and soviet nuclear arsenals?

Virginia has 11 people in the house and 2 in the senate. how many electoral votes foes it have? where is this addressed?

Take another look at the population pyramid for france in 1950. notice the disparity between the male and female populations in the 55 to 70 year-old age group. what historical event could account for this disparity?