B. in cities on the East Coast
After winning independence from Mexico in 1836, the Republic of Texas petitioned the United States for annexation. ... In the end, annexation was one of the leading causes of the Mexican-American War. Perhaps an even more contentious issue had to do with slavery. Many settlers in Texas were slave owners.
Polish pope of the Roman Catholic Church from 1978 to 2005 who was instrumental in ending the Cold War; also known as Pope John Paul II.
Pope John Paul II, was born as Karol Jozef Wojtyla and he was elected by the second papal enclave of 1978. He served as Pope until his death in 2005, he is recognized in helping to end Communism in Europe.
The answer would be A. American Revolution.