Textile (P) and BMH (D) did business on 38 separate transactions. Each transaction contained an order acknowledgment and invoice from D that contained a mandatory arbitration clause with venue to be in Georgia. The clauses required P to respond in 24 hours if it did not agree. P never responded, and eventually, it got a shipment that it refused to pay for alleging that the yarn was defective. D submitted the matter to arbitration. P did not object at first but then protested, contending that the arbitration clause had not been part of their contract. P then filed an action in District Court in California. P then moved for a stay of arbitration, and the court enjoined both the pending arbitration and any further action regarding arbitration for the dispute. D appealed.