Which of the Following Best Describes the Significance of the Columbia

Which of the following best describes the significance of the Columbia River project?

A) It typified New Deal public-works programs designed to keep natural resources in public rather than private control.
B) Its result, the Grand Coulee Dam, produced the most expensive electricity in the nation.
C) Its complete failure reflected the overall lack of public support for building projects.
D) Its consideration of environmental impact (such as accommodation for fish) became a model for future dam projects on western rivers.
E) It proved that corporations could be massively successful if left to their own devices.