The likely reason as to how Lee small army troops defeated
the Mcclean’s larger force and kept the union troops out of Richmond because Mcclean
was being too cautious though it was only on the first day that they won
because the following day, Lee’s army lost the battle.
All of them are good answers but it would have to be the second quote because it gave them access to trade with China and they don’t have to fight over who gets to trade with China