Dee ihe na-aga n'ihu maka paragraf a - Agha Obodo America malitere n'ọnwa Eprel nke afọ 1861, n'afọ ahụ Howell mere akụkọ n'ụgbọ mmiri ụgbọ mmiri, nke e kenyere na North Atlantic Blockading Squadron iji soro na mgbochi Union nke Confederate States of America. Mgbe ọ nọ n'ụgbọ "Minnesota" ọ hụrụ ọgụ na Agha nke Hatteras Inlet Batteries
na Outer Banks nke North Carolina na 28-29 August 1861.