When president Polk supported the annexation of Texas and the settlement of Oregon, which concept he use as justification for his support

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:

to find facts and details to use as evidence

they sent much needed naval support to the colonists, and were instrumental in the siege of yorktown