The correct answer is A. Technological advances such as s<em>team power, air brakes, automatica lubricators and steel tracks</em> have affected the railroads very positively, since it has made it possible that the rail network could become a safer, more efficient and more reliable means of transportation for goods.
Congress passed a serious of neutrality acts in the late 1930’s
The growing season in the interior plains is going to be five to six months
Answer:
Option A, The federal budget had a surplus.
Explanation:
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