The main argument in favor or slavery as an institution during this time in the US was that black people could not take care of themselves and that they would fall into chaos if allowed to go free. Another argument was that many were already enslaved in Africa and were living better lives in the US.
The answer is <span>C. Trench warfare .
they were most of the time in trenches.</span>
Answer: B is correct.
Explanation: there were many who wanted to follow isolationism arguing that the war was problem of Europeans, there were also those (many Americans were of European origin with their roots in different corners of the Old continent). Situation changed and USA (country of European origin and roots) entered the war and continued engaged in (especially) European security policy.
