What are some of the main problems that the good Friday agreement had caused?

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Explanation:

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The Good Friday Agreement, or Belfast Agreement, is a pair of agreements signed on 10 April 1998 that ended most of the violence of the Troubles, a political conflict in Northern Ireland that had ensued since the late 1960s. It was a major development in the Northern Ireland peace process of the 1990s. Northern Ireland's present devolved system of government is based on the agreement. The agreement also created a number of institutions between Northern Ireland and the Republic of Ireland, and between the Republic of Ireland and the United Kingdom.

Explanation:

the tariff was created to protect industry in the northern part of the united states. industries in the north were being driven out of business by imported goods that were priced at a low rate. the goal was to protect these industries   by taxing the goods.