After which battle did the north realize civil war would be long and bitter?

What was the plight and fight of the following groups? labor farmers native americans african americans women immigrants ~ ap u. s. history (period 6: 1865-1898)

Ascientist performs an experiment where she measures the mass of a piece of metal, pours acid onto the metal, washes the metal, and then re-measures the mass of the metal. the scientist repeats the experiment several times, each time increasing the amount of acid used. the dependent variable in the experiment is the: initial mass of the metal final mass of the metal amount of acid used washing the metal

Which of the following would an isolationist support?