aid the Tories, [204];
destroyed by Sullivan, [206], [207].
Slavery, introduced in America, [27];
a check to industry, [77];
in the colonies, [88];
prohibited by the Ordinance of 1787, [256];
political importance of, [327], [331], [374], [407], [411]-[414], [418]-[421];
work of abolitionists, [359], [360];
influence on territorial extension, [374];