What was one cause of protestant reformation ?

A)revolt Moors in spain.

B)passage of the Act of Supremacy

C)call for the council of trent by Pope Paul III

D)corruption among high officials of the Catholic Church

D

Explanation:

answer is b.

  it is always the best policy to have good communication and good relations between individuals and, specially, between leaders of the countries. for this purpose, among others, there is a common place, the united nations, where the representants can present his and learn about the other country's policies.