Causes of modern imperialism:
-- Raw materials (oil, rubber and cotton).
-- New markets to sell products.
-- Better weapons (Maxim machine gun)
-- Telegraph (longdistance communication)
-- Railroads and fast steamers (Suez canal) .
-- Conquest of colonies helped gain respect. - Civilisation and development
-- Spread of Christianity-- Superiority thinking led to civilisation offensive. Educate and develop other peoples. Schools, railroads, legal system , abolitionism.