Who was the man who found the headwaters of the Mississippi River and later explored parts of the Rocky mountains and southern United States?

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.  

the answer to this question is the third option. hope this

small european communities with shared traditions consolidated into large new states (apex)

i believe it was the shinto