parsecs: many astronomers prefer to use parsecs (abbreviated pc) to measure distance to stars. this is because its definition is closely related to a method of measuring the distances between stars. a parsec is the distance at which 1 AU subtends an angle of 1 arcsec.
Both the USSR and the Chinese wanted to collectivize industry and rapidly industrialize. They aslo both lead to unintended consuquences such as famine.
