Which issue with central to the concept meeting up to the civil war

The most central issue  at the American Civil War was slavery. The South relied heavily on slave labor to work the fields. Many people from the North started perceiving this practice as wrong and wanted to free slaves.

unbeknownst to the slave-ship captains, the daily dancing and exercise regime and vernacular dance are also derived from america's african-based slave legacy. both are african-american cuisines from the slavery era.

explanation:

calvin taught his followers that human beings needed to follow strict rules to overcome their nature and do good. second choice