Sentence:  But one does not have to <WSD>affirm</WSD> the existence of an evil order irredeemable in that sense , or a static order in which no changes will take place in time , to be able truthfully to affirm the following fact : there has never been justitia imprinted in social institutions and social relationships except in the context of some pax-ordo preserved by clothed or naked force . 
Meaning of the word marked with <WSD> tags:  establish or strengthen as with new evidence or facts