Question

43. Why were fewer American farms dependent on

windmills for electrical power after the 1950s?
A. Windmills were not used for any purpose
after that time.
B. The energy crisis had prompted interest
in other fuel sources.
C. The energy crisis had stopped the development
of wind turbines.
D. A centralized power system had connected
almost all American homes.
E. Wind farms had replaced the need for
individual windmills.

Answer 1

Fewer American farms were dependent on windmills for electrical power after the 1950s because D. a centralized power system had connected almost all American homes.