The storming of the Bastille occurred

In general which explains why communist revolutions did not happen

37. what was hitler's "final solution"? a) the construction of walled ghettos in polish cities to hold "undesirable" groups b) a plan to exterminate all jews living in regions controlled by the third reich c) a series of fake medical experiments on jews conducted on topics such as oxygen deprivation d) a plan to force all "undesirable" groups to become "useful members" of the third reich

A) compare this commercial's central theme and motivational pressures to president reagan's "prouder, stronger, better" commercial. how are they alike and different? are they equally effective?