Major religious groups in the Republic of the Marshall Islands include the United Church of Christ (formerly Congregational), with 51.5% of the population; the Assemblies of God, 24.2%; the Roman Catholic Church, 8.4%; and The Church of Jesus Christ of Latter-day Saints (Mormons), 8.3%; Also represented are Bukot Nan Jesus (also known as Assembly of God Part Two), 2.2%; Baptist, 1.0%; Seventh-day Adventists, 0.9%; Full Gospel, 0.7%; and the Baha'i Faith, 0.6%; Persons without any religious affiliation account for a very small percentage of the population. There is also a small community of Ahmadiyya Muslims based in Majuro, with the first mosque opening in the capital in September 2012.

Answer this question, if possible (if impossible, reply "unanswerable"): What was the previous name of the United Church of Christ?
Congregational