Final answer:
Abraham Lincoln, the 16th President of the United States, personally believed that slavery was morally wrong, a belief reflected in his stance against the expansion of slavery and his eventual issuance of the Emancipation Proclamation.
Step-by-step explanation:
The subject is referring to Abraham Lincoln's personal beliefs concerning slavery during the 19th century. According to historical records,
Abraham Lincoln believed that slavery was morally wrong (Option A)
. This belief was reflected in his eventual issuance of the Emancipation Proclamation during the Civil War. However, it's essential to note that while he found slavery morally repugnant, he initially was willing to tolerate its existence in the South to keep the Union intact. His opposition to the
expansion
of slavery in the United States was also a significant part of his political position. Lincoln feared that allowing slavery to spread into the territories would lead to the political and economic dominance of the South over the North.
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