Which of the following was NOT an advantage of the colonists at the beginning of the Revolution? Abundant supplies and gunpowder
Fighting for a cause
Good military leaders
Knowledge of the terrain

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 believe the answer is bartolomeo dias