How did Ida B. Wells-Barnett challenge Grady’s claims?

What is this is a type of criminal charge that, while illegal is generally considered less serious. these can include things like trespassing, public indoxication, and vandalism.

Human rights groups in the 20th century worked to: o a. european imperial powers maintain control over their colonies. o b. convince citizens in impoverished countries to embrace nationalism. o o o o c. ensure that people around the world were protected from brutal treatment. o d. weaken the influence of international organizations like the united nations. sub

Who did the first work in creating vaccines