How did the soviets influence the political situation in poland at the end of world war ii?

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

What is the term for a short statement about history that has not been yet been proved

Can someone me write a paragraph on this topic i feel confused