Nothing. It is purely a personal matter and there is no ruling whatsoever on this matter. You are allowed to buy any property, house and other stuff you like. Islam gives no rule on buying a property except that the dealing should be fair and preferably through a written agreement.
I'd have to say Christianity for certain and with the rise of Islam, then Islam is number two.
No ! Othmans had a symbol of a moon and a star but this is very old and it has nothing to do with Islam , the power of Othmans grew in Europe so others say the sign of moon and a star is for muslims but it has nothing to do with Islam
Islam is not a language.
you do not say how may i help you Islam is a religion not a language.
Islam is a faith not a language.
Islam has no opinion on football.
It is not against Islam to say 'pig'. Eating pig is sinful in Islam.
In Islam, it is recommended to say "Alhamdulillah" after eating, which means "Praise be to Allah."
In Islam, you can say "Eid Milad Saeed" to wish someone a happy birthday.
In Islam, you can say "Mabrook" to offer congratulations.
In Islam the purpose of life is to please Allah !
Islam is the religion or faith but Muslim is the one who follows Islam religion.