What effect did the attack on pearl harbor have on the us pacific fleet

Why would the rumor of a government contract change the value of this companys stock

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

After the civil war which president was called a "carpetbagger"?