As part of being readmitted to the Union, states had to ratify the new amendments to the Constitution. The Union did a lot to help the South during the Reconstruction. They rebuilt roads, got farms running again, and built schools for poor and black children. Eventually the economy in the South began to recover.
The political boundaries of the U.S changed from 1845 to 1853 by increasing the territory and getting land as far out as California because the Americans fought the Mexican American war (1846-1848) that resulted in Mexico yielding the area we know as the Mexican cession have a nice day (:
Are all ways that the Constitution limits government power.
^^ That feels like the most right answer, tell me if it helps any
Not to much if you take into account the factors of underdeveloped economy at the time, trade was a means of living, and the classes standings played a role in where you stood in a economy
Birth rates were high, and death rates were high
