What is the main conflict in Antony and Cleopatra by William Shakespeare?

William Shakespeare's Antony and Cleopatra is a tale of love and war. Mark Antony, one of the three rulers of Rome, has been carrying on an affair with Cleopatra, the Queen of Egypt. After hearing of his wife's death and a rebellion against Rome, Antony returns home with a renewed sense of duty. Once back he must determine how to handle the political upheaval facing him and deal with his ongoing love for the jealous Cleopatra.