What role did Julius Caesar play in the Roman Civil Wars

Julius Caesar was a political and military genius who overthrew Rome's decaying political order and replaced it with a dictatorship. He triumphed in the Roman Civil War but was assassinated by those who believed that he was becoming too powerful. Julius Caesar began a civil war in Rome by defeating other members of the Triumvirate to become the dictator with total power. He fought Pompey, another Roman general, and defeated him. Later, Caesar fell in love with the Egyptian queen, Cleopatra, but was killed soon after.

Explanation:

answer; andrew jackson approved nullification by signing it into law,and john calhoun opposed it saying it was unconstitutional;