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- presidents (4)
- conservatism (2)
- progressivism (united states politics) (2)
- united states (2)
- addams, jane, (1)
- intra-party disagreements (political parties) (1)
- neutrality (1)
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- republican party (u.s. : 1854- ) (1)
- roosevelt, theodore, (1)
- trump, donald, (1)
- wilson, woodrow, (1)
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