Answer:
A strong military does not guarantee victory.
Explanation:
Despite being undoubtedly more powerful, the United States Army is considered to have lost the Vietnam war. With this information, it's safe to assume that this was the most valuable lesson from Vietnam War, aside from the fact that American troops need to stay out of foreign affairs and politics.
Answer:
Standardized
Explanation:
Factories produced standardized parts. They mass produce parts with machines to make it a certain way so it is the most efficient use of resources available and reduce the cost of making the item.
