What would be considered the greatest flaw when it comes to moral diplomacy

Moral diplomacy is the system in which support is given only to countries whose beliefs are analogous to that of the nation. ... It was used by Woodrow Wilson to support countries with democratic governments and to economically injure non-democratic countries (seen as possible threats to the U.S.).

Explanation:

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d) the constitution rights of native americans and their right to self-government on reservations