The start of the bloodiest war of the history! sectionalism The north had several industry, which supported the republican the ABOLITION of slavery. The south was different the economy was based in agriculture most of all. There party was democratic. Each state and section had this loyalty called' The country first and the nation second.’’ States rights The right that each state whether or not to follow federal law. Causes of the civil war Sarah Castro The start of the bloodiest war of the history! Election of 1860 slavery secession The southern region was aloud to have slaves. Which consisted that the slaves worked as farmers at fields of cotton. There owners would provide them with food, and also a place to stay In the election of 1860,Abraham Lincoln was elected president of the U.S,and agents slavery.