Sacramento. i hope i helped!
Answer:A because times are changing hpoe this helps
Explanation:
They used Maginot Line. The Maginot Line was built to fulfill several purposes: To prevent a German surprise attack. ... To push Germany into an effort to circumvent via Switzerland or Belgium, and allow France to fight the next war off French soil to avoid a repeat of 1914–1918. To be used as a basis for a counter-offensive.
D, because the South's economy depended mostly on agriculture