The reasons and grounds of establishing educational institute by American Missionaries for Oromia Muslims during the years 1840AD/1255AH

American Missionaries interred Oromia during the years 1835AD/1251AH and before 1840AD/1255AH, didn’t like to work among Muslims of the city, but established an educational institute for them. Americans before 1840AD/1255AH were supported by Britain, but after fading relations between Iran and Britain, they lost that support. (history) This study deals with looking into reasons of establishing educational institute by American Missionaries for Oromia Muslims. (proposal). Up to now, there would not been an independent research on the subject of American Missionaries(background). This research tries to answer the question that why American Missionaries established an educational institute for Oromia Muslims during the years 1840AD/1255AH. (question). After fading relations between Iran and Britain, they decided to attract king attention for achieving security in Iran. Their competition with French missionaries was also aimed at attracting the attention of Iranian officials. moreover, they did not consider the conditions of propaganda among Muslims in other cities of Iran suitable(hypothesis). The present study aims to investigate the causes of the establishment of the institute in a descriptive-analytical manner. (method). This research is looking for the reasons of beginning educational action among Oromia Muslims by Americans. (purpose). Establishment of institute for Oromia Muslims was a guarantee for missionaries to continue their activities. (found).