1) protecting social welfare
2) economic reforms
3) economic efficiency
4) promoting moral improvement
Answer:
An abolitionist
Explanation:
An abolitionist, as the name implies, is a person who sought to abolish slavery during the 19th century. More specifically, these individuals sought the immediate and full emancipation of all enslaved people.
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The Republican party was the party of the north.
The Democratic party was the party of the south.