Religious persecution and being attacked by native Americans
<span>Because WW1 had caused many of the losing states to be very poor, it was easier for authoritarian regimes to take advantage</span>
The answer is A this needs to be longer so I'm adding words
D. Is the correct answer. A and B are false because they tell you "the US fought from the beggining of the war to the end" and C is false because the US did participate in the war.
Steel was very much needed for many new industries, such as the railroads, toolmaking, construction. Also, many industries were needed to support the steel industry.