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<span>The Spanish resulted to countless inter-state wars, revolts
and coup d'états, which never allowed
the unity of Latin America. This was highlighted by the fact that Latin
America is a region with various and very diverse cultures that do not have a
sense of unity, and wouldn't even want to identify themselves with one
another.</span></span>
The constitution of the united states sought to bring together the three concepts and thus define its own mode of government, based on these three concepts that the form of government is established in the united states. Having an influence of each one, some less than others but anyway, the US benefited from the three courses to make its own.
Palko involved restricting incorporation of the Bill of Rights on the state level. In contrast, Duncan resulted in an expansion of incorporation when the conviction was overturned due to the lack of a jury trial. Your welcome hope this helped.