Serbia and Austria-Hungary due to the Austrian-Hungarian Duke being assassinated presumably by someone in Serbia.
Aconcagua Mountain at 6959 meters in height
Religion in Colonial America was dominated by Christianity although Judaism was practiced in small communities after 1654. Christian denominations included Anglicans, Baptists, Catholics, Congregationalists, German Pietists, Lutherans, Methodists, and Quakers among others.
The answer is D. I've done some research.