Answer:
a. Its consideration of environment impact (such as accommodation for fish) became a model for future dam projects on western rivers
Explanation:
The Columbia River project was a project of great significance for the whole region, especially for the state of Washington. This project had many positive impacts such as production of electricity, irrigation for more than half of the farmlands, development of the area, opening up new jobs. One very big problem though was the impact on the species of fish in the river. As most of them are migratory species, with the building of the dam they were stopped in their movement, thus they became restricted to the upper part of the river. Also, the water and composition of the water changed, and all of these things contributed to significant reduction of the populations of the native species of fish.
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Americans like William Lloyd Garrison and Frederick Douglass were some of the driving forces behind the anti-slavery movement.
That whenever any form of government becomes destructive of these ends, it is the Right of the People to alter or to abolish it.
Answer:
The Aztec Empire was more a set of different peoples than a homogeneous and peaceful culture. The elite in Tenochtitlán oppressed city-states around it with heavy taxes and kept its dominance through a strong military.
Explanation:
This created many enemies of the Aztec Empire and so it happened that when the Spanish arrived these peoples joined forces with them to destroy Tenochtitlán.
It's important to remember that Aztec Empire it's not how they called themselves in the 1500s. "Aztec" is a term that began to be utilized only in the 1800s by European scholars. In the 1500s the people of Tenochtitlán called themselves Mexicas.