The Truman doctrine was precisely to prevent Soviet influence from expanding, and for this reason, the Truman government supported any government that was allied with the U.S. instead of the Soviet Union, no matter how repressive said government might have been.}
Eisenhower did the same. Hi came up with the "domino theory", which stated that if a country became communist (for example Vietnam), its neighbors would follow soon (Laos would become communist, then Thailand, then Cambodia, and so on). This is why Eisenhower launched the American military invasion of Vietnam in first place, starting the Vietnam War.
I would pick strong because she was a peasant girl who believed that God called her and she led the French army to victory against the British army that drove back the attempt to conquer France during the Hundred Years' War.
The middle and upper classes benefited immediately from the Industrial Revolution. For workers, it took much longer. However during the 1800s, workers formed labor unions and gained higher wages and better working conditions. As a result, they began to see the benefits of the Industrial Revolution as well.
