What three innovations played a role in creating vast changes in american society during the roaring twenties? assembly-line production better oil refineries natural gas lines for energy alternating electrical current commercial aviation interstate highway system

Which describes the persian empire? choose all that are (a) the persian army defeated the athenians at the battle of marathon. (b) the persians avoided using ideas from the peoples they conquered. (c) cyrus allowed conquered peoples to keep their cultures. (d) darius i built a network of good roads for communication. choose all that are

In an economic downturn, what can happen in countries that depend on high taxes to fund social programs?

African-american soldiers in world war ii sometimes felt they were fighting for two victories, one abroad and one in europe true or false