19. How did the Union army under General Grant and the Confederate Army under General Lee employ different military tactics and strategies?

this isn't a question and if you're going to list things be kind and use commas.

lee and grant, both of whom held the highest rank in their respective armies, had known each other slightly during the mexican-american war (1846-48) and began their dialogue by exchanging awkward personal inquiries. characteristically, grant had arrived in his mud-splattered field uniform while lee had turned out in full dress attire, complete with sash and sword.

explanation:

either d or b, i'm not to sure. but my gut tells me it's prob going to be b