This year, Democratic presidential candidate Pete Buttigieg is making the same argument Republicans have for years: that a vote based on Christian values would turn the country around.
Pope Emeritus Benedict XVI arrives at St Peter's basilica in 2015. Benedict has stayed largely silent on the church's sex abuse scandal for the past six years.
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"We're trying to build a community that puts into practice what it really means to love your neighbors," says Christopher Edmonston, White Memorial Presbyterian Church's senior pastor.
Archbishop Wilton D. Gregory speaks during a Mass to repent clergy sexual abuse and to pray for molestation victims, in Indianapolis, in June 2017. Pope Francis has named him as the new archbishop of Washington D.C.
Leaders from the United Methodist Church confer during the 2019 Special Session of the General Conference of The United Methodist Church in St. Louis, Mo. America's second-largest Protestant denomination faces a likely fracture as delegates voted to strengthen bans on same-sex marriage and ordination of LGBT clergy.
Evangelicals pray during a church service in Havana, Cuba. Religious groups on the island have come out in opposition to a new constitution which will be voted on on Sunday.