What are the sources of authority for muslims?

Which of these marketing methods henry ford sell the model t to many people who had never before owned a car? a) offering free maintenance on cars for a full year b) airing television commercials with memorable slogans c) advertising with the new communication outlets such as radio d) offering many different colors and models for buyers to choose from

How did the beliefs of the roman catholics differ from the eastern orthodox form of christianity?

Business people who received land grants to recruit new settlers to the area were known by what term