He drove cattle to Detroit, Michigan in 1831, aged 17, then found work at a Castleton, Vermont, general store.
Soon, Green traveled westward again and was hired by a store owner in Milwaukee, Wisconsin.
After leaving Milwaukee, Green worked for a shoe store in St. Louis, Missouri, then settled in Muscatine, Iowa, by 1844.
[1] Green defeated A. M. Hare in a special election to the Iowa Senate, necessitated by the relocation of Andrew Oliphant Patterson, and served District 14 as a Republican from May 20, 1861, to January 12, 1862.
During this period, a special session of the Iowa General Assembly considered actions to take in regards to the American Civil War.