hitler required the party to accept and adopt the 'fuehrer principle' which was the belief that hitler alone ruled the nazi party so everyone else was below him and owed their position in the party to him
the workers in cities didn't vote for the nazis as the preferred the communists
outside big cities most workers worked for small family firms, they were attracted by the nazis promises of more rights for working people and better jobs
many supporters were young people they were attracted by nazi ideals, the discipline of the SA and the threat of unemployment
wealthy landowners or business people were threatened by the possibility of a communist takeover