<span>Senator Joseph McCarthy was a Republican. Truman was a Democrat. Durring their time as seated elected officials, America was on guard and quite paranoid about the posibility of communist spies and sympathizers. McCarthy exploited the fear many felt for selfish political gain. He criticized Trumans foriegn policy, saying that officials were harboring communists. Truman fired back by saying, "The greatest asset the Kremlin has, is Senator McCarthy." Because of political mudslinging, bipartizan foriegn policy suffered. That made our nation weaker and more vulnerable.</span>
The correct answer is B.
It helps illustrate changes in landforms over time and it shows the impact of human habitation on an area: We are able to compare two different images from the same area in a particular place on earth to compare them and understand how this specific place changed over time. Geographers are able to recognize the widespread changes to an area with views from satellite imagery.
