What was one criticism that Trevor Noah had about colonization

What principle did president truman invoke in sending u. s. troops into south korea without first asking congress to declare war?

How did europeans and the introduction of european goods and ideas change native life ?

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