<span>The Union army occupied the South to ensure that African-American freedmen enjoyed their full civil and political rights.</span>
Answer:
A. midnight judges
Explanation: Midnight judges was an internal affair that later would create a need for Judicial Review. The British were arming Native Americans which was harming westward expansion and impressment (capturing of American sailors to work for British Navy) also led to war.
The major platform of the Republican Party in the 1850s was an antislavery platform. Antislavery leaders opposed the extension of slavery into even more territories. Their opposition of slavery ended up helping them to join forces.
Hope this helps! :)
The Constitutional Convention met to address the problems of the weak central government that existed under the Articles of Confederation.