B. Virgil realizes that only believers reach heaven
Explanation:
Virgil was a non believer, but he was a good soul and because of that, he was able to stay in the purgatory. He wasn't worth to guide Dante into the heavens, but he did help Dante in other things, like crossing hell and the purgatory.
Europeans began to practice the lucrative slave trade, which took place for four centuries between the African continent and the American continent. The slave trade brought about changes in African society, because the increase or decrease of internal slavery (in Africa) was related to the greater or lesser external demand (for America). Therefore, the greater the need for slaves in America, the greater the number of enslaved people in Africa. Thus, slave trade became a profitable business. For this reason, African traders began to search for more people to enslave.
Answer: A) Dr.King created change through his strong leadership, moving speeches, and his support of continued non-violent protest, such as boycotts and marching.