See [Imperialism].

Territories, slavery in, [411], [416], [417]-[420], [430].

Texas, annexation of, [374], [375];

boundary dispute with Mexico, [377];

and the war with Mexico, [377]-[387];

secedes, [440];

readmitted, [574].

Thames River, battle of, [305].

Thirteenth Amendment, [546], [p. 435 n.];

accepted by Southern states, [568].