Due to the railroads, american settlers were able to travel west in larger numbers. how did this migration impact american indians?

american indians’ way of life changed because buffalo herds were destroyed for commercial markets.
american indians voluntarily went to reservations because they needed to find food and shelter.
american indians became cattle ranchers in order to survive a decrease in income.
american indians faced economic decline because they could no longer sell buffalo meat.

The world trade organization (wto), which was formed in 1995, trades without discrimination. which of these best describes what this principle means? all its member countries charge the same prices for basic commodities such as wheat and lumber. b) all its member countries do not trade with countries which had discriminatory racial policies. c) all its member countries trade only with countries that sign the wto agreement. d) all its member countries open their markets equally to all member nations. answer is d