Compare the two images of Greeley, Colorado. A photo labeled Greeley Colorado, 1870. There are a few buildings and lean to's scattered around a wide prairie.

An image labeled Greeley Colorado, 1882. It is a bird's eye view of a very large town on an ordered grid.

What contributed the most to the changes that occurred in Greeley, Colorado, shown in the two images?

federal policy and legislation
the process of Reconstruction after the Civil War
the invention the cotton gin, which spurred economic growth
the growth of imperialist ideas

"[because of the emancipation proclamation] the condition of things [became] … unsettled, revolutionary, with nothing clearly defined, neither slave nor slaveholder having any rights which they felt bound mutually to respect … slave property in the state of missouri was almost a dead weight to the owner; he could not sell because there were no buyers."—h.c. bruce, a former slave in missouri what does this excerpt suggest about the effects of the emancipation proclamation? a. it also undermined slavery in the border states despite not being in effect there.b. it caused complete disintegration of southern society in the states that seceded.c. it led to slave owners not even trying to stop their slaves from leaving the farms.d. it prevented riots or chaos as both owners and slaves simply ignored each other.