The ford motor company and the model t dominated the auto industry from 1908 through the mid 1920s. ford lost its dominance, however, in the mid-1920s because
a) competitors such as general motors offered consumers more choices in colors and styles.
b) the model t could not travel as fast as other cars on new and improved roads.
c) competitors such as general motors sold similar cars for far less money.
d) the model ts broke down easily and were often difficult to repair.