Why was the social structure of europe challenged by the growing number of free towns people and he changing economy

The social structure of Europe was challenged by the growing number of free towns people and its changing economy because of the fact that the political and social systems were not keeping up with the economic changes. The political, social and economic aspects of a country must be balanced and checked properly to ensure that each of the sectors are clearly and quickly adapts with the changes that any of the sectors within are imposing or experiencing. This is done in order to maintain the coordination and unity of all the sectors in the country.

which of the following is a subsurface event that takes place during the rock cycle?

  cementing  erosion  melting  weathering