John is a world traveler. Recently, he visited two countries, France and Germany. He noticed that in France they use atmosphere and Pascal as pressure units. In Germany they use torr as a pressure unit. Back in the United States, he noticed psi is used as a pressure unit. He needs to figure out how they correlate with each other. Given the paragraph above, please answer correctly the following question: Which county is using a unit established by mesuring the rise of mercury, Germany or United States?
Germany