3) The Articles of Confederation was replaced by the CONSTITUTION.
The Louisiana Purchase, which was purchased by the United States from France, greatly impacted the development of the US in that it gave the US a large area of land for extremely cheap.
The best and most correct answer among the choices provided by your question is the third choice or letter C which states that "Northern Whigs and Republicans supported the Compromise because it brought Kansas and Nebraska into the Union as "free" states, while Southern Democrats were appeased with the repeal of the Tariff of 1832." This is the <span>BEST description of why the Compromise of 1850 was successful in defusing the sectional conflict between both sides of the slavery issue.</span>
