That it wasnt fair and there should be peace then one day all thinks to martin luther king junior there was hope i helped :)
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The Catholic Church was the only thing that unified the region. The Roman Empire divided Europe into many different cultures, but the Catholic Church helped unite them all under one religion. Europe had always been Christian, but the Roman Empire forced new beliefs on the people.
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Well some rivers in Europe are used to transport goods. Sometime people even travel on them. River also can provide power.
Technological innovation and growing<span> trade with other nations. Industrial growth.</span>