Which president first instituted a civil service board to oversee federal hiring and personnel management practices?

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?

What is the main inference that can be drawn from adam smith’s book the wealth of nations?

What was the significance of the battle of saratoga