Original sentence: He proposed a plan, known as the MacBride Principles, which he argued would eliminate discrimination against Roman Catholics by employers in Northern Ireland and received widespread support for it in the United States and from Sinn Féin
Edited sentence: He proposed a plan in 1984, known as the MacBride Principles, which he argued would eliminate discrimination against Roman Catholics by employers in Northern Ireland and received widespread support for it in the United States and from Sinn Féin