Which government branch is the best in your own words and why

Dalton developed the first model of the atom that showed the structure of the inside of an atom

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 law banned slavery anywhere in the united states or it’s jurisdiction