The American Expeditionary Forces<span> (</span>AEF<span>) was the </span>expeditionary force<span> of the </span>United States Army<span> during </span>World War I<span>. It was established on July 5, 1917, in </span>France<span> under the command of </span>Gen. John J. Pershing<span>.</span>
The shape would be a trapezoid, because trapezoids always have two sets of equivalent angles, while others don't. Like squares and rectangles have all 90 degree angles.
Many immigrants from Europe began working in factories and producing goods used by people in the North. Many factories began producing textiles (cloth) with the cotton grown in the South. The economy of the South was based on agriculture.
