Sentence:  Their kind created an <WSD>American</WSD> culture superior to any in the world , an industrial and technological culture which penetrated Russia as it did almost every corner of the earth without a nickel from the Federal treasury or a single governmental specialist to contrive directives or program a series of consultations of interested agencies . 
Meaning of the word marked with <WSD> tags:  of or relating to the United States of America or its people or language or culture