Calvinism is basically Protestantism, but since John Calvin played a huge role in Calvinism, it is named after him. The people who practiced Calvinism, often believed they were "chosen" by God to like on their life and do what they are told. They thought that God had picked them to make a perfect Christian community, as they had lived good and true lives so they were hand chosen by God himself. They trusted in the fact that if they did this and created a pure Christian community, while living a happy life with no sin, they would earn salvation from God.
Answer:
-The profit motive plays a bigger role in socialist systems than it does in capitalist system.
-Free market forces affect the economy more in socialist systems than they do in capitalist systems.
The difficulties they struggled with was the Bubonic plague also known as the Black Death caused by bacterium yersinia pestis and civil war.