Which statement accurately describes the Hundred Years' War? Armor and chain mail proved to be invincible in close combat.

Infantrymen wielding pikes became the most feared force in battle.

Mounted knights lost their dominant role on the battlefield.

Peasant archers were unable to affect the outcome of battles.

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.  

a social contract.

"a social contract is an agreement between citizens and their leader where the citizens give up certain freedoms in exchange for protection. the constitution of the united states is an example of a social contract."