Safavids were members of a dynasty that had ruled Persia through 1502 to 1736 and they made the Shia as there state religion
I would have to go with "senate" because, senatorial the characteristics of senators so the senate is where you would find these characteristics.
The western church and the eastern church differed in :
A. beliefs
unlike the western, The eastern church evolved into a more orthodox style catholic churches
hope this helps
