Answer:
Before secession, there were 11 states in the United States of America. This is in the 1860's btw
The main difference was the monoteism (the Trinity: God Father, God Son and Holy Spirit was inspired later in the history in the Trentus Concilium). All ancient cultures believed in different gods.
Well they were all undeclared acts of war which resulted in the Country not having time to gather their army to defend themselves.