The Americans hostility towards the clergy, adherents, and the Catholic Church during the 1800s was rooted to their desires to maintain the white, Protestant nation. The reform even led to religious discrimination and violence. Therefore, the answer to this question is most probably letter D.
The North and South were arguing over slavery. The South wanted slaves but the North didn't.
The correct answer is C. By forming trade blocsExplanationA trade bloc is an agreement between different nation through which certain barriers such as tariffs are eliminated or reduced, which implies trade between the countries or nations that are part of the block is cheaper, this benefits the economy of the countries participating as the economy grows. Also, trade blocks imply cooperation of nations as they reduced or eliminate barrier and support each other economy as all of them have trade benefits, because of this trade block imply nations cooperate economically.
