Answer:
Specie Circular, (July 11, 1836), in U.S. history, an executive order issued by President Andrew Jackson requiring that payment for the purchase of public lands be made exclusively in gold or silver.
Explanation:
The Roosevelt Corollary in 1904 justfited US intervention in the Western Hemisphere. It was an addition to the Monroe Doctrine which had wanted to prevent European intervention in the West.
They were about 2 million years ago.
