Persian king who invaded Greece and led his army at the battle of salamis

Which would be good historical evidence when studying manifest destiny?

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

How else might the black hand have addressed its nationalistic aspirations