What was the economic impact of the Vietnam War?

Why was russia drawn into a conflict with germany after ausria-hungary declared war on serbia ?

The holocaust of world war ii resulted in a) the nazis effectively used propaganda to gain and hold power in germany. b) ethnic regimes carried out mass devastation. c) deporting all european jews to the island of madagascar. d) the systematic mass slaughter of european jews and and others in nazi concentration camps during world war ii.

Who believed that the best economic system was on in which businesses compete to gain profit with minimal or no government control