Northwestern North America was pretty snowy and cold. To adapt to this freezing environment, tribes like Eskimo lived in igloos and ate lots of fish. They also had thick waterproof clothes to combat snow.
If we want to go a little bit more south to an area like Washington state, then it gets a little warmer. Tribes like the Chinook also liked to eat a lot of seafood, but they also lived in wood houses.
Answer:
D) to create railroad networks that spanned the entire country
Explanation:
The main idea was to connect the country. At that moment, with the construction of the First Transcontinental Railway, it was possible to connect the coasts of the Pacific Ocean with the Atlantic Ocean. For the first time in history, a railway network connected two sea coasts and, thus, the project is still a reference in the field of railway construction.
Making of a "wild" place/civilization into a more modern and squished area ( a small village to a city, etc) .. HOPE i helped! :D
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