C. Progressive ideals.
Republican parties usually enforce or take part in a progressive process.
As humans dispersed from the equator peoples skin got lighter and lighter because of fewer exposure to sun radiation.
They didn't get tanned as much :)
One of the primary consequences of the railroad in the United States was the creation of a system by which goods could easily be moved east to west, opening new sections up that were previously only accessible by horse or on foot.
Eastern Asia is most densely populated. The darker the color the more dense the area is, and Eastern Asia is the darkest area on the map.
