Answer:
i believe that it is B. most machines had very few safety features or measures
The choices were;
a.Columbia Plateau b.Great Plains c. Southwest d.<span>Southeast
Based on </span>American Civilization: An Introduction, written b<span>y David Mauk and John Oakland the answer is b. Great Plains.
The Native Americans who lived in the Great Plains also known as the bison region depend on their living on river banks, hunting and gathering.
</span>
Stalin's attempt to blockade Berlin failed largely as a result of: A
Control of the Atlantic Ocean was essential to Great Britain’s success in World War II because <span>D. Britain was an island nation dependent "on shipping for the supplies it needed." Without access to Atlantic shipping lanes, Britain would have starved and been without war supplies from the Americans. hope that helps
</span>