I don't know about most important but Hinduism is the third most popular religion in the world
Most Arabs (>95%) are either Muslim or Christian, so yes, Arabs are generally monotheists.
Most Bangladeshis are Muslim.
Wikipedia has him listed as "Sunni" which is a branch of Muslim. However, I've heard he was christian, so . . . I'd go with the Sunni Muslim answer as he's named most of his children with Muslim names.
Muslim
The Sahara Desert
Most are Muslim, some are Christian, there are probably a small number that are of other religions.
Most likely no. He is Serbian, and his name is orthodox christian.
Yes, most Palestinians are Muslim. Many are Christian too.
Most probably he is not. My guess would be; he is a Coptic Christian.
Fruit is not the most important food group. Grain is the most important food group.
Like most women Ethiopian women like security in their life. They generally chose to marry withing their local Ethiopian group. Families sometimes will reinforce the idea of marring within their own culture, even within their specific Ethiopian language group. Religion is also very important and Ethiopian are generally Muslim and Christians. So having said that if the black American is educated, has a stable job, and he's well mannered, he will have much easier time with the family and the women will fee more secure in marrying him. If she's Muslim the family will want him to be Muslim and if she's christian they will want him to be christian, in most cases.
mostly Muslim and a small group are Christian