history has also proven that other regions of peoples were resistent to Christian missionary work, but then the landscape changed.
even recent developments in iraq may yet to prove beneficial to christian evangelism.
Christianity has shown success against pagan religions but no so against monotheistic ones. Christianity is not new to evangelisim - being that they were amongst the first centers of Christianity in the world and one of the few places left where Christians still speak Aramaic - the everday language Jesus spoke.