The correct answer is D.
Roosevelt Corollary is seen as an addition to the Monroe Doctrine in which the US stated it would not interfere with the politics of the European nations if they did not interfere in the Western Hemisphere. The Roosevelt Corollary was presented to the Congress after the Venezuelan crisis and it states that US will intervene and mediate the conflicts between European and the nations of Latin America and enforce any claims of the European nations if they are legitimate.
Answer:
The first one I think
Explanation:
The United States gave Spain $5 million; Spain ceded its claims to Florida and Oregon.
The growing of corn enabled the native Americans to have a much more reliable food source that was produced in large quantities and they also had reserves for bad times. This allowed the populations to grow significantly, and also larger cities to be built and developed. It also contributed that the people in this part of the world to have more time to focus on other things, like sciences, astronomy, architecture, instead of just living day by day and be in a constant search of food.
