Interactions occur between the electrons on the outer most electron shell(valence electrons). Electrons are either gained or lost while bonding with other atoms.
Answer:
B.Bog cities with lots of job opportunities.pretty sure.maybe A
<span>A major purpose of these laws was to preserve slavery. In the first two years after the Civil War, white-dominated southern legislatures passed Black Codes modeled after the earlier slave codes. They were particularly concerned with controlling movement and labor, as slavery had given way to a free labor system.</span>
