Iron ore and coal
The Midwest developed agriculturally, and its earliest important industries processed natural resources. Both a large absolute and percentage increase in manufacturing employment occurred in cities between 1860 and 1920; all levels-the nation, belt, and each section of the belt-participated
midwest
Airplane manufacturing
Airplane manufacturing
The Midwest has abundant resources in coal, timber, and rich farmland. The soil in the Midwest is rich due to glacial deposits.
Midwest began to specialize in manufacturing cotton
20th century
1974
1974
The rise of the Sunbelt or Increased military presence in the Northeast and Midwest Fewer job opportunities in the northeast and midwest
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rich soil