Blitzkrieg~an intense military campaign intended to bring about a swift victory.
The secession of Southern States led to the establishment of the Confederacy and ultimately the Civil War. It was the most serious secession movement in the United States and was defeated when the Union armies defeated the Confederate armies in the Civil War, 1861-65. Hope this helps, good luck! :)
Answer:
US troops were ill-prepared to fight in Vietnam's environment.
Explanation:
"We didn't operate well in Vietnam. We weren't prepared
for what we found there." shows that they were very ill-prepared for the Vietnam Environment.
The 3 great empires were the Mughal, Ottoman, and the Safavid empire.