Find the centroid of the region bounded by the graphs of the given equations. 
Definitions:
Great Depression
A global economic crisis that occurred in the 1930s, marked by extreme financial hardship.
World War II
A global conflict that lasted from 1939 to 1945, involving most of the world's nations and resulting in significant political and geographic changes.
GDP
Gross Domestic Product, a standard measure of a nation's total economic production over a specified time period, representing the total value of all goods and services produced.
Industrial Market Economies
These are economies characterized by significant industrial activity, where goods are produced using advanced technological means.
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