“In enacting В§ 2 of this federal Act, Congress declared a national policy favoring arbitration and withdrew the effectiveness of the states to need a judicial forum when it comes to quality of claims that your contracting parties decided to resolve by arbitration.” Southland Corp. v. Keating, 465 U.S. 1, 10, 104 S.Ct. 852, 858, 79 L.Ed.2d 1 (1984). Unless the agreement to arbitrate just isn’t element of a contract evidencing interstate business or is revocable “upon such grounds as occur at law or in equity for the revocation of every agreement,” arbitration is necessary. 9 U.S.C. В§ 2. during the time that is same “arbitration is a matter of agreement amongst the appropriate events; no celebration may be needed to arbitrate absent an understanding to take action.” Rosenblum v. Travelbyus.com, Ltd., 299 F.3d 657, 662 (7th Cir. 2002) (citing First Alternatives of Chicago, Inc.