Before revision: Settler colonies relied on the attraction of metropolitan migrants with the promise of settlement and outnumbering or destroying indigenous peoples, opposed to classic modern colonialism relying mainly on forced migration, like slavery or indentured servitude, or the use of the local indigenous peoples.
After revision: Settler colonies relied on the attraction of metropolitan migrants with the promise of settlement and outnumbering , displacing or killing indigenous peoples, opposed to classic modern colonialism relying mainly on forced migration, like slavery or indentured servitude, or the use of the local indigenous peoples.