The cause of The Thirty Year War is that the Holy Roman Empire had conflict<span> with the Protestant. </span>France <span>fought </span>Spain<span> and the Holy Roman Empire for Europe Leadership. The effect of the war is that Sweden,</span>France<span> and their allies gained new territory.</span>
<span>Karl Marx predicted that the proletariat would overthrow the Bourgeoisie. The communism's father created a theory that states that with the contradictions of the class fight, one day the proletariat would overthrow, literally, the force and the power of the bourgeoisie class, that holds the power and maintain the exploration setting.</span>
Disease, malnutrition and exposure.
