It should be D. Hope that helps.
Answer:
President Lincoln's plans for the postwar reconstruction of the South, this proclamation decreed that a state in rebellion against the U.S. federal government could be reintegrated into the Union when 10% of the 1860 vote count from that state had taken an oath of allegiance to the U.S. and pledged to abide by emancipation
Explanation:
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Pro-slavery and anti-slavery settlers rushed to Kansas, each side hoping to determine the results of the first election held after the law went into effect. ... Opponents of the Kansas-Nebraska Act helped found the Republican Party, which opposed the spread of slavery into the territories.