Sentence:  <WSD>Thus</WSD> at the same time that William Henry Harrison was preparing to pacify the aborigines of Indiana Territory and winning fame at the battle of Tippecanoe , Anglo-Saxon settlement made a great leap into the center of the North American continent to the west of the American agricultural frontier . 
Meaning of the word marked with <WSD> tags:  (used to introduce a logical conclusion) from that fact or reason or as a result