The wealthiest citizens of ancient Rome were "patricians"--meaning literally "fathers". These people were not only the wealthiest but had by far the most political sway of any other social group.
Answer:
social ,economic human rights maybe
People in towns didn't have to give their produce to feudal lords and were independent if they paid their taxes, and the taxes were not as high as they were for people in the land. This caused many people to abandon their feudal lords and move to cities where they would work freely.
The answer should be <span>Radiocarbon</span>