The main reason why the Ho Chi Minh Trail was important to the North Vietnamese and the NLF was because it provided for vital supply lines for the Viet Cong during the war.
<span>- As a label in the minds of the voters.
- As an organization that recruits and campaigns for candidates.
- As a set of leaders who try to organize and control the legislative and executive branches of government.</span>
If you want to shorten it it would be best to do WWII, how ever if it is a formal essay you should just spell it out.