Why was Robert E. Lee confident marching into the North before the Battle of Gettysburg?

A. He had won most of his recent battles
B. He knew the land in Pennsylvania better than the Union
C. He had a spy giving him secret information on the Union forces
D. He know George Meade feared him

The persian wars started when emperor darius i began an invasion of greece. what caused darius to decide to attack greece? a. greek pirates had raided persia's merchant ships and coastal towns. b. greek armies had attacked and taken over land that belonged to persia. c. greek city-states had supported rebellions in the persian empire. d. greek leaders had declared independence from the persian empire.