The word most commonly used to <span>describe crowded, poorly constructed or poorly maintained urban apartment buildings would be "slums," since people are often forced to live in such conditions because they lack the means to move elsewhere. </span>
The main way in which Theodore Roosevelt’s Corollary influenced US foreign policy was that it cast the US in a far more dominant light, since it threatened the use of force against countries that didn't "fall in line".
Since the U.S. was fighting against communist nations in WW ll, I'd say answer A.
That was when the U.S. first realized how dangerous communism is, since the whole nation in a sense follows the wants of one man.
Fighting against Hitler, Mussolini, and the other guy (I can't remember who it was) really opened America's eyes to the horrors of communism, which is why they decided to strengthen the Democratic side of America.
I believe answer A. is correct.
Answer: gold, copper, and iron ore.