Answer:
It is d because you cannot be sure as the person who has written has not been there so you don't know if they are telling the truth or exaggerating the event
Explanation:
Due to lack of sanitation in the trenches, dysentary spread quite easily. More specifically it was contaminated water which got them sick in the war.
C)to make sure that the country’s laws are obeyed
United states believed that it was the Rio grande river
It weakens the protection of civil librties
