This was a national conflict in an asian country aided by russia in the noth and the us in the south

the answer to fill in the blank in this question would be the word resource, it is defined as the money, material or people (since human resource is a very valuable good) that a company or a person has at disposition (meaning they can use the resource as they see fit), to be able to complete a task or achieve a goal.  

i just did something on this guy a few days a go give me two minutes to find it in my notes.

well that depends on how deep the hole is. you'd first go through te crust of the earth, then the upper mantle, then the lower mantle then the outer core, then the inner cor then you'd be stuck in the core to melt.

it made them more prductive and efficent but with the change of polcies less and les got into the navy