1. What was the effect of discovering oil at Spindeltop?

A. The state suffered economically because the supply wasn't as much as people expected

B. The supply at Spindletop was not enough to economically support the exploration of nearby sources for oil

C. The U.S. became the leading producer of oil in the world for a time

D. The U.S. was finally able to to compete along with the other top oil producers in the world