Final answer:
If the seller refuses to sell the house after a contract is signed, the client can sue for specific performance to require the seller to fulfill their obligations and sell the house.
Step-by-step explanation:
If a seller refuses to sell the house after the client has signed a contract, the client may pursue legal action and sue for specific performance. Specific performance is a legal remedy that requires the seller to fulfill their obligations under the contract and sell the house to the client. If the seller refuses to sell the house after a contract is signed, the client can sue for specific performance to require the seller to fulfill their obligations and sell the house.
This is different from suing for monetary damages, which seeks financial compensation for the breach of contract. While suing for rescission (cancellation of the contract) or diligence (negligence) may be options in some cases, suing for specific performance is usually the best course of action for a client who still wants the house.