What was the effect of discovering oil at spindletop

Though the oil boom surrounding Spindletop had largely subsided by the beginning of World War I, its impact would last much longer. The abundance of oil found in Texas would fuel the expansion of the shipping and railroad industries, as well as the development of new innovations such as automobiles and airplanes.

answer; obey the closest relative's wishes;

answer; bona fide occupational qualification; (bfoq);