Thompson, Warren S., "Population: A Study in Malthusianism," cited, [178].
Trade development, as one of the causes of war, [17].
Trojan War, a free-booting expedition, [24].
Tropical imperialism, conditions causing, [85]; arguments for and against, [85-98].
Tropical products, growing significance of, [90-92].
Trusts, tendency to internationalism in process of formation of, [281-282].
Tunis, trade of, favoured by France, [104].
U
United States. See America.
United States of Europe, fallacy in proposal to create a, [224-225].