Why has there been a continued political struggle between Protestants and Catholics in Ireland and Northern Ireland?

Members of the common school movement believed that

Use the drop-down menus to choose the right phrases to complete the fourth amendment. the fourth amendment states that "the right of the people to be secure in their persons, houses, papers, and effec against unreasonable shall not be violated, and no warrants shall issue, but upon the exclusionary rule states that evidence cannot be admitted if it was gathered during intro done

What was the outcome of the battle between the monitor and the merrimack?