Please give me the correct answer.​

How did disease impact the human death toll during this time period? disease killed more people than combat during this time. disease steadily increased as the war hospitals were attacked. improvements in medical technology decreased illness overall. disease was a small but significant contributor to deaths at this time.

How did many americans respond to the labor strikes of 1919? a.) many felt the strikes were started by communists. b.) many were sympathetic to the demands of labor unions. c.) many thought the government should not intervene.

Which statement best describes a major advantage of a confederal system of government over a unitary system