<span>Political power shifted from the central government to local notables and military strongmen.
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This led to civil wars in the kingdoms that furthermore weakened the initially powerful governments. The weak central governments could also not withstand the emerging imperialistic pressures from western powers. As a result the empires crashed one by one, and parts of their territories were taken over by the major imperial powers.
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The second choice mentioned above exposed the element that caused the British to surrender at Yorktown George. The troops of Washington outnumbered the British soldiers by two to one, referring to August 27-29, 1776. The army was defeated completely, and that is the main factor.