How did the completion of the transcontinental railroad affect companies that made products

Why was the taiping rebellion significant

Robert morris proposed a 10 percent tax on imported goods to pay the national debt. true or false

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?