Answer: Until this century, relative dating was the only technique for identifying the age of a truly ancient object. By examining the object's relation to layers of deposits in the area, and by comparing the object to others found at the site, archaeologists can estimate when the object arrived at the site. Hope this helps!
Answer:
The main goal was to contain communion in Southeast Asia. The US failed to achieve this goal because it wasn't willing to sacrifice as much to win the war as the Vietnamese communists were.
End of French and indian war