It's not a religion ban. Indonesia has the largest population of Muslims on earth, at 200+ million. Not one of them is banned from America. Only immigrants from countries with direct ties to terrorism are banned, temporarily.
Once gain, it has nothing to do with religion. It's geographical. You can be a Christian in Iraq, and you would be ban too.
Once gain, it has nothing to do with religion. It's geographical. You can be a Christian in Iraq, and you would be ban too.