Answer:
<em>C. It led to concerns regarding the dangers of greenhouse gases.</em>
The Whig Party won the election of 1840 because they supported William Henry Harrison, who was a much celebrated war hero during his time. They easily defeated the Democratic-Republicans, who chose Van Buren. They used the slogan "Tippecanoe and Tyler, too" which was a very famous slogan that was used in the election.
Russia had no secure border. Following <span>the devastation faced by Soviet Union in WWII, they wanted to push the border away from Kiev, from Moscow & Minsk
</span><span>The Yalta Agreement between FDR, Churchill & Stalin had laid out the spheres of influence that each of the Allied countries would have, and the satellite countries all fell under the Soviet sphere. </span>
Loyalist!
Hope this helps!:)
