Do people have an obligation to resist political oppression?

as an obligation oppressed people have to protect their rational nature

We have an obligation to prevent harms to our rational nature and we have an obligation to resist our own oppression. We have an obligation to resist attempts to hinder our capacity to act rationally. In addition to having an obligation to resist the oppression of others, people have an obligation to themselves to resist their own oppression. When you have an obligation to do something, that obligation is not an absolute moral claim on your actions. If you have an obligation or duty to do something, that is a very good reason for acting in a particular way, but not a conclusive reason for doing so.

regarding the law, the 15th amendment was specifically designed thinking in the rights of black free men.

even though ratified on february 3, 1870, the promise of the 15th amendment would not be fully applied for a long time.poll taxes and literacy tests would allow southern states disenfranchise african americans. only in 1965 the voting rights for african americans would be actually able to vote in the south.

in 1965, president johnson signed the voting rights act, which aimed to overcome legal barriers that prevented african americans from voting as it was guaranteed by the 15th amendment to the u.s. constitution.

roosevelt believed that in light of the country's recent military successes, it was unnecessary to use force to achieve foreign policy goals, so long as the military could threaten force. this belief, and his strategy of “speaking softly and carrying a big stick,” shaped much of roosevelt's foreign policy.