14/ In addition to the prodigious building programs
 of the Mormons and the highly organized and duly
 constituted civic, school and church programs they established, the Mormons engineered what was to be-
come the primary trade and emigration route into the American West. The impact was far greater in SW Iowa than in Nebraska because all territory west of the
Missouri River was then officially designated by
Congress as Indian Territory. Therefore, most of
the towns and duly organized government were on the
Iowa side of the river. But those served as launching