Much of europe was drawn into the war because of what?

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?

Two types of resources are natural and human. true or false

Why did the paris peace conference negotiations last over a year?