What must a country do to join the European Union? O A. Adopt a Socialist system
O B. Have a stable democratic system
O C. Establish Christianity as a state religion
O D. Reduce immigration

B

Explanation:

have a stable democratic system

a punishment or the threat of punishment used to enforce conformity. enforcement of norms or shared rules of conduct that tell people how to act in specific situations. social control. not everyone internalizes all of society's norms, and some people must be motivated by self-fulfillment.

i would say b. research typically uses a variety of sources