What can be used in the united states to stop a bill from being passed

Explain in the simplest form what laissez faire is

What was martin luther king, jr., referencing in the passage that brought him to lead a protest in birmingham?

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?