Many immigrants gave americans a wonderful supply of what?

Labor 
Theyre hard workers and are willing to work the tough jobs no one else wants to do for unfair prices, but the employers are willing to over look the fact they arent u.s citizens.

Abraham lincoln gave his 2nd inaugural address on march 4, 1865.-as lincoln prepared to speak, the civil war was drawing to a close.

Fixing the errors and resubmitting it