What were the long term and immediate military causes of the civil war?

What principle did president truman invoke in sending u. s. troops into south korea without first asking congress to declare war?

How did the cleveland massacre impact standard oil in 1872? standard oil hired all the laborers who were nearly killed during the cleveland massacre. standard oil became a monopoly in the cleveland oil market after the cleveland massacre. standard oil was bought out by other companies in the city after the cleveland massacre. standard oil closed down to avoid additional violence in the wake of the cleveland massacre.

As a result of the germanic tribes sacking rome