What was an impact of settlement on the environment of the West? Settlers and travelers destroyed buffalo herds. The railroad industry boosted local economies. Innovations in communications were developed. Suffrage movements expanded to new territories.

The impact of settlement in the environment of West was that the travelers and settlers were destroyed the buffalo herds in large numbers.

Option A is correct.

What is meant irrigation?

Irrigation is referring to the activity where the water has been provided to the farmlands through usage of pipelines, tubes, etc. It is most probable solution for the areas receiving no rainfall.

The settlers in the westward were built the train stations which brought them. They utilized the land areas for the purpose of irrigation and not used the animals over the fields for farming. This resulted in overgrazing by those animals especially the buffalos and cows.
They were created dams for diverting the water flows. The land in the southern region of America was not good for growing any crop due to humid climatic conditions and no rainfall. The usage of irrigation methods driving away the animals over the farm fields and increasing the problem of overgrazing.

Therefore, the correct option is the option A.

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