In 1980, simply 200 Hispanics lived in Ottumwa, Iowa. These days, the heartland city has come to reflect the increased diversity across the country, as Hispanics now account for 11% of the inhabitants of the small town of just about 25,000.Originally drawn via blue-collar jobs and alternatives for higher lives, Latino immigrants migrated to this quiet city all over the Nineties and performed a key role in reversing it…