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.
you answered your own question
D. Lutherans either had to leave the state or change religions.
Other than the fact that the U.S. economy subsisted on agriculture during the early 19th century, there were expansions that would make the agricultural field even bloom with more opportunities. This included the construction of canals and steamboats. This lead to a boost in the agricultural indistry. Other than that, the poorer regions had to rely on growing their own food and selling their produce for money in order to survive. Because of these two factors, agriculture was the leading occupation during the 1800s.