What are two major events that shaped Ayn Rand's view on life and the structures of society?

The two major events which shaped Ayn Rand's view on life and the structures of society were:

1) The October revolution

2) the rule of Bolsheviks

Ayn Rand was a multi-talented Russian American personality. She was novelist, philosopher, screenwriter and much more. She was born in 1905 and lived for 77 years before she died in 1982.