It doesn't have a definition it's a phrase president Thomas Jefferson used in his first inaugural address in 1801 calling for a cautious, isolationist foreign policy
I am not completely sure but I think it's 'agrarian'.
I really think the answer is (C) Our solar system follows an orbit through the Milky Way Galaxy that takes hundreds of millions of years to complete because our sun and solar system move at about 500,000 miles an hour (800,000 km/hr) in this huge orbit. So in 90 seconds, for example, we all move some 12,500 miles (20,000 km) in orbit around the galaxy's center
Because white people did not want black sitting next to them on a bus and not share water fountain. hope it helps u :)