I am going to have to say D, <em>A communist dictatorship was established in Russia after the Revolution, </em><em />is the answer because the US was determined to spread democracy throughout the world and when Russia became communist that put a strain on relationships between the USA and Russia. The US in a round about way boycotted Communist countries.
Hopefully this helps.
To block the formation of cancerous tumors.
This document is the United States Constitution.
The constitution was written in 1787 and consists of the Preamble, seven articles and 27 amendments.