Matching the following: 1. consummate full of danger or problems 2. fraught a situation prone to violence, anger, or uncertainty 3. stipulate to make a condition for the signing of a legal document 4. volatile enable a business deal to reach a successful conclusion

1. Consummate: enable a business deal to reach a successful conclusion.

To consummate something means to complete an arrangement or agreement by a pledge or the signing of a contract. Example:

The company consummated its contract to buy a local firm.

2. Fraught: full of danger or problems.

Fraught is an adjective applied to a situation prone to result in something undesirable. Example: Marketing the new model is fraught with danger.

3. Stipulate: to make a condition for the signing of a legal document.

Stipulate means to demand or define a requirement as part of an agreement. Example: The contract stipulates a minimum price.

4. Volatile: a situation prone to violence, anger, or uncertainty.

Volatile means something is liable to change fast and unpredictably, particularly for the worse. Example: The governor´s political position was becoming more volatile".

the answer is b. osage.