They failed because nobody cared about the railroad. The railroad had to be a government project with leases to companies but the government was too much involved in the slavery issue that it didn't have time to deal with railroads. That's why railroads boomed after the civil war ended.
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This is a highly subjective and contested question, but many people believe that the US government owes the Natives reparations for the displacement and slaughter that took place during the colonial period after after during westward expansion.
Answer: imperialist policies
Explanation:
A bias is D. leaning in one direction or another.
When you have a bias towards something, you prefer it over another.
This could be as simple as preferring chocolate ice cream over vanilla ice cream.
Another example of a bias is you leaning towards one side of a question because of your circumstances.
An example of this could be say you have a brother who is in a popular TV show, and your friend asks you which tv show is better, giving you the option of the one your brother is in or another popular TV show. You might be biased to the one your bother is in, because, well, a family member is in it.
All in all, a bias is basically leaning towards one side of something or another, whether it is 100% based on your opinion or partially because of other things in your life as well.
I hope this helps and have a great rest of your day!
I think In 1912 new York. Tell me if I'm corret