What resource from the north sea is the most important for the economies of europe? a) oil b) fish c) gold d) coal

This excerpt supports the idea that the sky chief valued

When zhang qin went to explore west, he brought back stories of

New communication technologies, improved transportation, and advanced military weapons made it possible for countries to speed up acquiring territory. rule large amounts of territory. fight off competition from opposing nations. expand their economies, which aided in conguest.