[A] What is it about a capitalist economy - considering the primary drives and tendencies of this economic system - that makes capitalism incompatible with procedural democracy (PD) and substantive democracy (SD)? [PD refers to the rules under which governments are chosen; SD refers to the degree to which these procedures safeguard human rights and dignity of workers] [B] What was it about the historical phase of capitalism - during 1900-1970 - that led to growing democratization of governance in the advanced industrial economies (SD).