The main source of income in Newfoundland is from natural resources. The country is abundant of copper, iron, nickel-copper-cobalt and uranium. Before the 20th century the main income was derived from cod fishing.
Kansas' main source of income comes from agricultural products, primarily cattle and wheat. Kansas also receives income from manufacturing items, the main manufactured product is transportation equipment.
The main source of income for the Mughal rulers was the revenue from land. Babur and Humayun had imposed taxes on non-Muslims. Akbar abolished the taxes, but Aurangzeb revived it. Gifts presented to the Emperors formed another source of income.