The principal traits of Aryan culture are started by Vedic, Iranian, and Greek literary texts and cognate terms found in the proto-Indo-European languages. ... These texts present agriculture and pastoralism as the principal sources of livelihood. The horse plays a crucial role in the life of the early Indo-Europeans.
All of these are the causes that led to the Russian Revolution. The Russian Revolution consists of two revolutions actually and those are the February Revolution and the October Revolution. The Russian Revolution led to the end of Tsarists autocracy and led to the rise of the Soviet Union.
First place to come up with and practice democracy ancient Greece
One major problem the United States was suffering with when John F. Kennedy became president was HIGH UNEMPLOYMENT RATE.