Before time zones were created in the 1880s, one could encounter ________ time standards on a rail trip across the United States.
A) 1
B) 5
C) 7
D) 10
E) more than 20

Question

Quizplus · Accepted Answer

Before time zones were standardized in the 1880s, there were more than 20 different time standards in use across the United States, primarily based on the local solar time of each town or city.

Before Time Zones Were Created in the 1880s, One Could