A protestor holds a sign reading ‘White Privilege Is The Problem’ at a rally against policy brutality and racial injustice in New York on Sept. 5, 2020.Erik McGregor/LightRocket via Getty Images Christopher Quarles, University of Michigan A wide variety of historical, economic and cultural forces combine to allow a larger percentage of whites to climb up the socioeconomic ladder than Blacks and Hispanics. Some people call the combined effects of these forces “white privilege.” Though these words are commonly used, research by Lia Bozarth and me has found that use of “white privilege” on social…