World war i was known to have caused the destruction of kings and empires, the introduction of chemical weapons, airborne bombing and tanks. which of these groups were brought into the workforce of many countries for the first time?

Examine these two paintings that depict famous events from american history. the image on the left, painted in 1940, shows the signing of the u.s. constitution in 1787. the image on the right, painted in 1836, shows the american victory at the battle of yorktown in 1781.which of these paintings should be considered a secondary source?

Why was the land in the middle colonies attractive to immigrants

What event started the space race and made americans feel their security was threatened a.) alan shepard's suborbital flight. b.) the launch of sputnik c.) the launch of explorer d.) the cuban missle crisis