Original sentence: In areas where they are active, they are commonly known for their door-to-door preaching, their objection to blood transfusions, and for not celebrating birthdays or holidays
Edited sentence: In areas where they are active, they are commonly known for their door-to-door preaching, their objection to blood transfusions, and for not celebrating birthdays or holidays, all due to their striving to restore 1'st Century Christian way of life and worship