Islamic Caliphates spread Islam throughout the region during the post classical period and this statement best explains why Islam is an important religion in many parts of northern Africa today. The correct option among all the options that are given in the question is the third option or option "c".<span />
After the Spanish-American War, the "C. Platt Amendment" reserved the right of the United States to intervene in Cuba's internal affairs. This was later overturned by Cuba.
The Kansas-Nebraska Act allowed those states the right of popular sovereignty which meant that the territories would be admitted as states and the population from those states would be allowed to decide whether they wanted to become free states or states that allowed slavery. The south was probably the side that was most benefited from it since according to the Missouri Compromise those states were already free states, but the Kansas-Nebraska Act now gave supporters of slavery the opportunity to make those states slavery states . the issues that followed this act were cause by the coming into the territories of groups people both supporters of slavery or abolitionist that worked and sometimes used violence to get the states to be admitted into the Union as they wanted.
