Historians generally recognize three motives for European exploration and colonization in the New World: God, gold, and glory.
Canals are man-made, meaning, they are Human Systems.
Faults are natural, meaning, they are <span>Physical Systems.
Floods are not created by man, meaning, they are </span>Physical Systems.
Bridges are man-made, meaning, they are Human Systems.
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B. France retained control of India
Generally speaking, it was the "slum dwellers" and the "immigrants" who did not share in the prosperity of the late 1800s in the United States, since they were the lower class workers.