Answer:
Printing press
Explanation:
The printing press was allowed for quicker production of text, as well as having the ability to duplicate in the thousands. A single pamphlet would be carried from one town to another, where it could duplicate even more.
The flexible response was difficult to use because the troops weren't doing what their goal was since they would die in combat. No matter how many troops were sent and how well the flexible response was organized, the North Vietnamese army managed to kill them in huge numbers and it required more and more troops to be sent.
The only answer that makes sense would be A!!
Answer:
A. Creating a society in which all people where equal
I'm not sure!