Answer: I think the answer is "It weakened attempts to abolish slavery."
Alexander invaded Persia, which lay across the Aegean Sea in Asia Minor
Either C or D. I’m pretty sure it is D.
<u>It refused to ratify the Treaty of Versailles or join the League of Nations.</u>
The U.S. wanted to stay out of global affairs and avoid any type of alliances and international participation that didn't serve American interests, consequently the Congress refused to ratify the Treaty of Versailles and to join the League of Nations -an international organization proposed in the treaty-.