Slate is much more commonly found in wet areas, especially around rivers in the United States, so it wouldn't be very available to Natives who were more inland.
I would have to say technology is using fewer resources to manufacture goods more efficiently.
I could be wrong but I believe it was through collectivization? They took away private farms and made them all owned by the state.
Answer:
c it added a new form of way to the older days
Explanation:
They did it by introducing social policies and acts to stop monopolies. Not only did they limit the power of companies to prevent them from taking land from people or cheating them when making deals, they also implemented policies that made working conditions safer and increased the basic wages and helped unions as opposed to helping the companies.
