The black codes
what were the black codes based on?

The Black Codes were laws passed in 1865 and 1866 by Southern states in the United States after the American Civil War in order to restrict African Americans' freedom, and to compel them to work in a labor economy based on low wages or debt.

battle of saint-mihiel, (12–16 september 1918), allied victory and the first u.s.-led offensive in world war i. the allied attack against the saint-mihiel salient provided the americans with an opportunity to use their forces on the western front en masse.

explanation:

d. the right to establish a one-house legislature