I believed we are Representative b/c we have people elect representatives to run the government. So we are a representative democracy.
Are you asking about the first ten? The first ten amendments are located in the Bill of Rights, right at the beginning!
I think it depends on the person, but in my experiences with my very religious family, honestly I think people choose to trust in Christ AND obey God because, mostly, out of love.
Generally speaking, advanced farming techniques allowed for a surplus of food, which led to the emergence of a "artisan" class--since for the first time people were "freed" to engage in other actives besides gathering food.