Why did americans think they might be at a disadvantage in trading with china?

What is the most necessary information that happened in the titanic movie

What is zinn's approach to the study of history? what does he suggest occurs when history is told is the story of human progress?

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