Question: Pelham D. Glassford was held responsible for the violence that came about as a result of what assemblage of marchers on Washington, D.C.?
Sentence (from "Pelham D. Glassford"): Pelham Davis Glassford (August 8, 1883 – August 9, 1959) was a United States Army officer who attained the rank of brigadier general during World War I.
Relevant evidence: No