What were the main ideas of muhammad that challenged the way things were in arabia before his birth?

many of Muhammad's teachings upset Arabs because they seemed a threat to the business of people that profited from annual pilgrimages to the Kaaba. Mecca's wealthy merchants were worried about his teachings that all those who believed in Allah would become equal. This is because the merchants wanted to be richer and more powerful than the poor. He also taught that the fortunate should help the poor which didn’t go well with the rich

pope john paul ii ( his real name is karol wojtyla) and lech walesa ( the leader of the solidarity movement ) were both born in poland.

c. more people could read and interpret the bible for themselves