A. Transcontinental railroad
After Julius Caesar's death, Mark Antony joined Cleopatra in a battle against: Octavian.
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Who was Octavian?</h3>
Octavian was a Roman Leader who battled against Mark and Cleopatra after Julius Caesar died.
The two people who came from Rome and Egypt respectively fought against Octavian and suffered a severe loss. The battle was known as the Battle of Actium.
Learn more about Octavian here:
brainly.com/question/1232786
B. Johnson. Andrew Johnson wasn't even the vice president Lincoln wanted, but he helped him win the second election.
Answer: start a revolution and unite under a new constitution