How did the events at Spindletop in Texas in 1901 change the course of American history? A The development of a new steel mill caused the growth of railroads across the nation.
B. The discovery of gold led immigrants from across the world to settle in the United States.
C. The development of a new way to mine coal led to the rapid industrialization of the nation.
D. The discovery of a petroleum reserve caused the United States to become a leading producer of
oil in the world.