It started over the use of icons.The Romans wanted to use icons while the Eastern Orthodox so it as worshipping a false god. This resulted in the Roman Pope excommunicating the Emperor because he banned icons.
Renaissance art, had an increased awareness of nature, a revival of classical learning, and a more individualistic view of man
Shays' Rebellion was an armed uprising in Western Massachusetts in opposition to a debt crisis among the citizenry and the state government's increased efforts to collect taxes both on individuals and their trades; the fight took place mostly in and around Springfield during 1786 and 1787.
Depending on the time period, the social class of traders changed.
If you are talking about Medieval to Early Renaissance, I would say your answer is C because traders were looked down upon and considered vagrants.
However if you are talking about High Renaissance onward you would see improvements in the standings of traders, rising to middle, possible even upper. So if the time period your problem is stating is of the High Renaissance onward I would say B or D.