Which idea is correctly paired with a document
that supports it?
(1) colonialism — the prince
(2) militarism — sadler report
(3) capitalism — wealth of nations
(4) monotheism — the communist manifesto

(3) capitalism -- Wealth of Nations   is the correct answer.

(1) is incorrect because The Prince involved absolute power, not colonialism.
(2) is incorrect because the Sadler Report involved labor laws, not militarism.
(4) is incorrect because The Communist Manifesto involved Communism, not monotheism.

(3) is correct because Adam Smith's "The Wealth of Nations" practically served as the Bible of capitalism in the 18th and 19th centuries.