A. to abolish slavery in the united states
Answer:
Jim Crow
Explanation:
"Jim Crow" laws circumvented the 14th Amendment while things like literacy tests, poll taxes, and the "white primary" prevented blacks from voting. It was not until the Civil Rights Movement that these amendments became effective in any real way.
Child labor was in the interest of factory owners because they did not have to pay children fair wages, and they (the children) were less likely to strike.
Out of the above options, I would say B because the monroe doctrine was America standing up for the independent nations of the western hemisphere. However, it also demanded Europe to stay out of western affairs, so I don't see how it s inviting. It isn't C. It isn't D because there was no British desire to prevent new colonies.