One is a pronoun in the English Language. It is a gender-neutral indefinite pronoun. Roughly meaning "A Person".
Answer:
C. undertook a goodwill tour of the country.
Explanation:
James Monroe was known to be the fifth president of the United States and served from 1817 - 1825.
He was best known for establishing the foreign policy principle that came to bear his name, the Monroe Doctrine.
The Monroe doctrine was embedded in a routine annual message , which was delivered in 1823 to the congress. And the importance of the doctrine is that, it warns European nations that the United States would not tolerate further colonization .
In this case, in his attainment as the president of the United States , he undertook a goodwill tour of the country, in order to show concern to the people.
D- soldiers died both from new weapons and medical conditions.- the trenches were terrible and very unsanitary, many soldiers died from being in a trench and then they were just left there rotting.
And B- machine guns- Were invented firing the civil war
