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In page Duff Green:

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From 1835 to 1838, Green edited The Reformation, a radically partisan publication, devoted to free trade, states' rights, and the idea of "Manifest Destiny".[1] In 1840, he established the Pilot in Baltimore to support the Harrison-Tyler ticket. Although initially endorsed by the Whig party, Green's controversial editorials on Catholic influence in American politics alienated his readers. Subscriptions declined, and publication was suspended in 1841.[4]