Answer:
The evidence of zebra crossing and pedestrian walks are not available
Their plan was called the Anaconda plan.
They wanted to blockade the Southern coast to prevent them from receiving resources from other countries. They also wanted to capture the Mississippi River to effectively cut the Confederacy in half (Battle of Vicksburg). The final step in their plan was to capture the Confederate capital city (Richmond).
It is controversial because the President can pardon anyone! Take Nixon and Goldwater for example. Nixon was convicted of spying on th opposite party. Nixon stepped down, but was still charged. When Goldwater became president, he pardoned Nixon of all of his charges which caused a huge uproar. That's fair, right?
The answer to your question is C