<span>B. Encouraging massive migration of Mexicans across the border </span>
Answer:
Christianity originated in the region in the 1st century AD, and was one of the major religions of the region until the Muslim conquests of the mid-to-late 7th century AD.
Explanation:
<h2>1.) United Nations</h2><h2>2.) North Atlantic Treaty Organization</h2>
"The Roosevelt Corollary" is the best option from the list in terms of what would prevent Japanese intervention in its neighboring island of the Philippines.