I think it would be ( They mainly stayed out of sight, but were in complete control of all matters big and small.) hope this helps.
Political Causes. During times of political unrest, families are forced to leave their rural farming villages, and they migrate to the urban areas in search of shelter, food and employment. ...
Economic Causes. ...
Education. ...
Natural Population Increase. ...
Environmental Degradation. ...
Social Causes.
NATO was designed to improve on the alliances of the past and to modernize the alliance system in light of the threat of nuclear power. The idea of collective security meant that war could trigger alliances linked on social, political and economic and ideological frameworks as well as a deterrent in terms of nuclear power.