Who was the biggest contributor to the ideology of Communism?

in the 1950s, country music came into its own before rock-n-roll took off in the 60s while jazz and classical music continued to innovate

attacks by the seljuk. a devastating blow to the entire byzantine world was dealt by christian crusaders from the west. the venetians were eager to destroy byzantine power and offered the crusaders money, ships, and part of the spoils of war.

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