Answer:
52 hostages held in Iran since November 1979 are released ending a 444 day hostage situation.
George Goethals was the military engineer who completed construction of the Panama Canal. The correct option among all the options given in the question is option "d". He was appointed the chief engineer of the Panama project by President Roosevelt on 26th of February in the year 1907. Goethals was absolutely determined in seeing through the job that was handed over to him by the President.
<span>He thought that the United States was different than any other nation because it was founded upon democratic principles.</span>