No, the Monroe Doctrine does not provide U.S. sympathy for the new revolutionary governments in South America. You're thinking of the "Good Neighbor" policy.
In 1953 when prime minister Mossadeq nationalized the oil industry, United States stepped in and reinstated the pro-western Sha. Mossadegh saw the Anglo-Iranian Oil as an arm of the British government regulating much of Iran's oil, pushing him to nationalize the Iranian oil industry.
Cites and factories grew and Canada grew by people they came to Canada to make land and cites and time by time it grew