How did Julius Caesar become leader of Rome?

"Julius Caesar began his rise to power in 60 B.C.E. by forging an alliance with another general, Pompey, and a wealthy patrician, Crassus. ... Upon his return, Caesar made himself dictator and absolute ruler of Rome and its territories. During his rule, he enacted several reforms."

Explanation:

powers  are  denied  to the  national governmentin three distinct ways: some  powers, such as the  power  to levy duties on exports or prohibit the freedom of religion, speech, press, or assembly, are expressly  denied  to the  national government  in the  constitution.

c. extended rights of citizenship to new groups