Read the passage and then answer the question:
Because they were expecting to fight World War I all over
again, the French fortified their border with Germany: a
series of defenses called the Maginot Line. As a result of
this impassable barrier, the German forces had to invade
France through the Ardennes Forest to the north.
Which term best describes how the passage is organized?
A. Cause and effect
B. Sequential
C. Topical
D. Compare and contrast