What were the us and the soviet unions roles in the arms race?

Which of these was an accomplishment of the han dynasty? the invention of the seismograph finding a water passage to europe the invention of the ballpoint pen the invention of the abacus

The idea that jews would return to palestine has been a part of jewish culture since the unsuccessful rebellion against the empire.

In an industry in which there are several providers of a type of good, why can one business not charge much higher prices for their goods?