Which of the following was not a difference between the Eastern and Western Christian churches?

While worshiping, the Western Church promotes kneeling position in prayer while Eastern Orthodox places of worship have normally standing followers. Unleavened bread (made without yeast) is utilized as a part of Roman church customs, while the Orthodox Church utilizes leavened bread.

Explanation:

sumerians were responsible.

the answer to your question is:

strong-mayor system