Complete the following statement.

Drag word$($s$)$ below to fill in the blank$($s$)$ in the passage.

To find the bargaining range, states must know the costs of war$-$for themselves and their adversary. BLANK arises in crisis bargaining when states BLANK readily observe or measure the political and military factors that determine their adversary's expected value for war.

word bank: incomplete information, can, a bargaining range, cannot, credibility