Which invention contributed the must to the trend shown in the table

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?

From 1990 to 2008, by what percent did the world’s most developed economies cut their greenhouse gas emissions?

Why might congress have had difficulty paying the war debt after the american revolution