Christianity predominates in Europe and in the Americas, but it also claims adherents in virtually every country of the world.
I think in Africa and usa, but im not sure
Islam and Christianity
Christianity exists in all regions of the world, however the amount of Christians in those regions are usually very few. There are many nations and regions that label their area of the world as a "Christian nation" or a "Christian region", but the sad thing is, most of the people in those areas are not really followers of the Messiah, Jesus Christ.
Christianity has the most followers in Europe and the Americas. Islam is the second largest religion in these regions.
Byzantinians who would spread Christianity to surrounding regions including to the kievians and the slavs
Christianity has impacted history, cultural practices, and politics of world regions because it has impacted mankind since the beginning of A.D. times. Christianity has influenced wars, armies, societies, political organizations, and other cultural influences like no other religion has in history.
Christianity was introduced into India by the Apostle Thomas in the 1st century AD. He is believed to have preached in present-day Kerala and Tamil Nadu regions.
Hinduism, Christianity, Budhism And Many More.. :]]
North America, South America, Europe, Austrailia, and southern Africa
King Ezana of Aksum converted to Christianity around the early 4th century, specifically around 330 AD. His conversion marked a significant shift for the Aksumite Empire, as he became one of the first monarchs in history to adopt Christianity as the state religion. This decision played a crucial role in the spread of Christianity in Ethiopia and the surrounding regions.
Monotheism is the believing in one god! so yes so regions do believe in monotheism such as Christianity,Judaism ,also Islam
In the more sparsely populated regions animalism is common. Christianity and Islam are both spreading as well.