PLEASE HELP, LAST QUESTION! 30 POINTS List the major reasons why the war in Vietnam was an impossible victory?

The raids were the first in what would become a three-year program of sustained bombing targeting sites north of the seventeenth parallel.The troops were the first in what would become a three-year escalation of U.S. military personnel fighting a counterinsurgency below the seventeenth parallel. Together, they Americanized a war the Vietnamese had been fighting for a generation

( This isn’t my answer all credit to taylormccord just wanted to help this person)