The Catholic Church's official silence on the subject of slavery also garnered the enmity of northern Protestants.
The northern Protestants want Dublin to guarantee that it will soften that language in a national referendum.
Mr Adams said the republican demand for a British withdrawal was not aimed at northern Protestants.
"We are aware of the fears of the Unionist community," he said of the northern Protestants.
The Republican Party was based on northern white Protestants, businessmen, small business owners, professionals, factory workers, farmers, and African-Americans.
Furthermore, the claim to the whole of the island did not reflect practical reality and inflamed anti-Dublin sentiment among northern Protestants.
Brahms the northern Protestant was suspicious of the theater, of representation.
Europe became split into a northern Protestant and a southern Catholic part, resulting in the Religious Wars of the 16th and 17th centuries.
Most northern Protestants, and many Catholics, want the province to remain British.
The Republican Party was based on northern white Protestants, businessmen, professionals, factory workers, wealthier farmers, and blacks.