Final answer:
In the 1850s, Abraham Lincoln believed in extending certain rights and opportunities to African Americans without advocating for full social and political equality.
Step-by-step explanation:
In the 1850s, Abraham Lincoln's views on race were evolving. While he did not initially support social and political equality between African Americans and whites, he did believe in extending certain rights and opportunities to them. One action that would have been in line with Lincoln's views on race would be (b) An African-American man training as an artisan and starting his own business. This aligns with Lincoln's belief in economic opportunity for African Americans without advocating for full social and political equality.