According to Howard Zinn why were slaves left out of the Declaration of Independence? Please I need helppp

Why did the north agree to the missouri compromise? a.) it allowed maine to enter the union as a free state. b.) it repealed the fugitive slave law. c.) it allowed california to enter the union as a free state. d.) it banned slavery in the northwest territory.

In in 1958, the aarp was organized to promote a mandatory retirement age of 65health insurance for retired americansactivism for native americansemployment opportunities for the disabled

Who was the first french explorer in america ? a. jacques cartier b. giovanni da verrazano c. samuel de champlain d. pere jacques marquette e. louis jolliet