The only answer that makes any sense is C. The British Empire was the sole enemy of the French, fighting them and winning in the Seven Years War. While I am completely unaware of what campaign you are referencing, General Burgoyne partook in many over his years as a British officer, I am certain alliance with the French and splitting New York and Canada were not one of them.
Answer:
A. Abraham Lincoln was elected president of the United States
Settlers were constantly taking more land than either they agreed for, or just what didnt belong to them, the Indians would fight back and lose in the end, they would shrink back and find more land, there would be peace for a little while, and then settlers would keep wanting more land
Turkey has a largely homogeneous population in that the majority of the population is Sunni Muslim of Turkish origin. However, there are other ethnic and religious groups within Turkey such as the Kurds and also Shi'a Muslims. The greatest challenge to Turkey due to its internal diversity is the threat of secession and also issues related to national security posed by the Kurdish population. Another major issue today in Turkey is the presence of Syrian refugees and also fighters involved in the Syrian conflict which pose national security threats as well.
The size of the Atlantic slave trade dramatically transformed African societies. The slave trade brought about a negative impact on African societies and led to the long-term impoverishment of West Africa