It could be increased greenhouse gas effect.
Answer:
The Monroe Doctrine
Explanation:
The doctrine threatens European nations by not allow more colonization and monarchs rule in the Western Hemisphere. The Monroe Doctrine was a foreign policy issued in 1823 under the presidency of James Monroe.
President James Monroe states that America has never interfered in foreign matters before. When the rights of the Americas jeopard, then it became necessary to get involved in the issue. The United States will not allow colonization and monarchs rule because it will further lead to the establishment of a colony in America.
Answer:
Good choice:
C. tax charged on each pack of cigarettes .
Explanation:
I believe the answer is A (correct me if i'm wrong please)