Which of the following continuities in the development of African states in the period circa 1200–1450 most likely explains the prevalence of Christianity in Ethiopia?

Which of the following is an example of negative reinforcement? a.marty knocks over his mother's prize fern so she gives him a time out. b.gwen mows the lawn and her dad takes her out for ice cream. c.tara takes an aspirin, and her headache begins to go away. d. peter comes in late from his lunch and is fired from his job.

Describe the social and economic challenges facing the newly formed country of slovakia.

Only people in ap world history can can someone give me a question and a statement to present to the class about chapter 15,16,or17