How do new ideas influence the way people live?

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?

Brainliestttme : ) what demographic changes occurred after world war ii?

How big would a 1940s computer have to be in order to have the power of a modern personal computer?