A. that legitimate democratic processes have been exploited for the creation of anti-democratic regimes and when they promulgated and enforced laws denying the right to non-violent political opposition
pronoun ambiguity of "they". incoorect
B. that legitimate democratic processes have been exploited for the creation of anti-democratic regimes and for the promulgation and enforcement of laws denying the right to non-violent political opposition
seems good.hold on
C. the exploitation of legitimate democratic processes to create anti-democratic regimes and the promulgation and enforcement of laws denying the right to non-violent political opposition
"to create.. the promulgation....enforcement of laws" should be in same structure.
D. that legitimate democratic processes have been exploited for the creation of anti-democratic regimes as well as the promulgation and enforcing of laws denying the right to non-violent political opposition
"creation of...promulgation...enforcing" same as C
E. how legitimate democratic processes have been exploited for the creation of anti-democratic regimes and their promulgating laws that deny the right to non-violent political opposition and enforcing them
pronoun ambiguity "their" .
"creation of...promulgating...enforcing" structure error
IMO B