Sentence:  <WSD>Exclusionism</WSD>, then, cannot be an item of the configuration “Asia for Asians,” in economic activities or cultural achievements. It is in political relations, however, that <WSD>exclusionism</WSD> is the supreme reality. 
Meaning of the word marked with <WSD> tags:  A policy or ideology that favors exclusion of some individuals or groups from a nation, sect, etc.