Question

Which of these statements is true?
A. There was a causal relationship between World War I and global
shortages of essential goods.
B. There was a causal relationship between economic chaos and
medical advancements.
C. There was a causal relationship between the closing of frontiers
and new shipping technology.
D. There was a causal relationship between submarine warfare and
influenza outbreaks.

Answer 1

The correct answer is A there was a casual relationship between World War I and global