sentences:  Many Black Canadians are descendants of African American slaves (Black Loyalists) who fled to Canada during the American Revolution.Similar waves of American immigrants, 30,000, lured by promises of land if they swore a loyalty oath to the King, settled in Ontario before the War of 1812.The Black Refugees in the War of 1812 also fled to Canada and many American slaves also came via the Underground Railroad, most settling in either Halifax, Nova Scotia or Southern Ontario.