Mezue ahịrịokwu na-esonụ: Carter sonyeere Free Ala Party na 1848, na 1850 dere maka Boston "Atlas" a usoro nke isiokwu na nzaghachi Francis Bowen si agha na
Ndị nnupụisi Hungary. E bipụtaghachiri isiokwu ndị a n'akwụkwọ nta dị ka "The Hungarian Controversy" (Boston, 1852). A na-ekwu na ọ bụ ha mere ka a jụ nhọpụta Bowen dị ka prọfesọ akụkọ ihe mere eme na Harvard. N'otu oge ahụ Carter dezigharịrị, site na nkwenye Kossuth, nnukwu mpịakọta akpọrọ "Kossuth na New England" (Boston, 1852).