What feature of united states industry grow quickly in the country after the civil war

In japan, the is the head of state and the is the head of government.who ever answer will get

What happened as a result of the colonial victory at saratoga

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