Why did americans welcome the louisiana purchase?

Congress could only request money and had no power to tax; each state made its own money; there was no national court system. which one of these weaknesses do you believe was the most important to correct?

Dalton developed the first model of the atom that showed the structure of the inside of an atom

In 1991, which of the following split into 15 independent republics when its communist government lost power? a) china b) belarus c) germany d) soviet union