John O' Sullivan's Manifest Destiny (1 июл 1845 г. – 1 авг 1845 г.)
Описание:
Context: first used by John O' Sullivan in favor of the U.S. annexing Texas
Cause: 1. response to U.S. annexation of Texas 2. dispute with Britain over the Oregon Country which became part of the union.
Effect: 1. Drove 19th century U.S. territorial expansion - justify the forced removal of Native Americans and other groups from their homes 2. intensified issue of slavery - new states were added to the Union, leading to the outbreak of the Civil War