"split over same-sex marriage" = What they really mean is split over the laws and doctrines of Scripture.

Again we see the ugly head of Liberalism destroying a denomination. This insidious and poisonous disease feeds the nominals and fabricates evil hearted man's version of religion.

Gradually we see all that is called "church" disintegrating and much of it joining the worldly to form Satan's very own church which will come to rule and deceive.

Matthew 24:24 For there shall arise false Christs, and false prophets, and shall shew great signs and wonders; insomuch that, if it were possible, they shall deceive the very elect.

Of course all this Liberalism comes from Arminian theory - And as we know Wesley the father of Methodism was an Arminian heretic.