Each was a natural trading partner.
Taking a side in that conflict would have had bad consequences for the U.S., the proverbial no-win situation.
<span>during this ruling, the U.S. Supreme Court stated that slaves were not citizens of the United States so they could not expect any protection from the Federal Government or the courts.</span>
US growth accelerated during this time "<span>b. during the industrial Revolution". The United States along with Great Britain was one of the power houses of the Industrial Revolution, which increased output and subsequently GDP greatly. </span>
Generally speaking, "assembly line jobs" did not represent an obstacle during this time, since this in fact increased productivity through the "specialization of labor".