The answer to the question is C. Truman felt that the Americans would suffer from heavy losses with an invasion. Eventually, a strategy was put in place.
Italy was the country that was referred to as the "soft underbelly" of Europe by Winston Churchill. This occurred during World War II.
The correct answer would be "The Destruction of Koumbi Salech and climate change". The capital city of Koumbi Salech was weakened by the constant invasions from their neighbors, prompted by their jealously and fear of Ghana's wealth and power. After the invasion that left them vulnerable, a severe drought came and forced people to move out of the empire to seek food and water.