The <span>one word that best encompasses medieval Music would be "B. Religion," since almost all music during this time had to do with honoring either God or the Church. </span>
This would be a sphere of influence. There have been instances of these throughout history, including in China, the US, etc.
<span>Defended Nicaragua against invasion. Provided them with intense military and CIA assistance. Needed a way to prove credibility to the international community. Knew they would question the ability to come to their aid if their borders were being attacked.</span>