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.
D, proved that there was severe social and judicial bias against immigrants in the US. Sacco and Vanzetti were Italian immigrants and anarchists, and many believe that they were unjustly tried and executed because of that
