What are the three main Indo-European tribes?

(I now that one of them is Hitties)

When were the first plots of land for the village of seattle laid out? august 1848 april 1851 november 1851 may 1853

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

Why did countries not allow jewish refugees asylum?