Who originally lived in north america pre-1400s?

to act quickly in times of danger to the united states

because you have to act quickly if you want to live/survive.

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:

your answer is a hope this