Sentence:  For the 75 years since a district rebellion was put down, The Games have existed as an assertion of the Capital's power, a winner-take-all contest that <WSD>touts</WSD> heroism and sacrifice—participants are called “tributes”— while pitting the districts against each other. 
Meaning of the word marked with <WSD> tags:  To flaunt, to publicize/publicise; to boast or brag; to promote.