Government would be the answer youre looking for hope this helps you!!!
From what I know, they were named by the Romans. the parts (mon- tues- ect.) were named for the sun, the moon, and different planets that the romans knew of; so mars, mercury, jupiter, venus, and saturn.
C). The ability of citizens to vote for Senators directly.
Doctrine in the early Christian church helped unify early Christians by
helping them to understand the differences between Judaism and the
new form of Christianity (Roman Catholic)