World War II and the Cold War convinced US politicians to do which of the following? I'm on PLATO btw.

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:

i believe out of the choices it is a.

i do not know? i think i have seen this before though h?