The first amendment allows citizens the right to free speech, allows citizens to practice whatever religion they choose, assemble peacefully and the right to make a complaint against the government without fear of punishment. Some of these countries have citizens who live in fear of their government.
One significant indication that the European feudal system was effective was that "<span>Similar systems developed in China and Japan" although it should be noted that this isn't enough evidence to prove that it was economically successful.</span>