Which BEST describes the ideas of Harriet Tubman, "conductor" of the Underground Railroad? Question 4 options: Slavery should be tolerated until made illegal by law. Slavery should only be allowed in states that really needed it Slaves should be given the opportunity to purchase their own freedom. Slaves should escape slavery using whatever methods available to them.

Which of the following was a major outcome of european imperialism in africa after the industrial revolution? o a. the area around the suez canal experienced decades of military conflict o b. africans in the belgian congo suffered forced labor and oppression o c. the discovery of rich matural resources led to african economic prosperity. o d. europeans brought disease to central africa, killing thousands.