Term for lightest or darkness of a color

In 1816, john c. calhoun proposed that: a. that the federal government aid in the construction of roads and canals to improve transportation to and from the west b.the united states should end slavery. c.the united states should increasing the size of the navy and invade central america. d. the united states should annex hawaii

What event ultimately started world war 2 and ended britain and frances attempt to prevent war?

All of the following programs were responsible for improving the quality of entertainment experienced by americans, except which? a national endowment for the arts b. the corporation for public broadcasting c. national endowment for the humanities d. department of housing and urban development