s] other persons to act on the contract in such a way as would be to their detriment if the contract was not upheld"); cf. Molinos Valle Del Cibao, C. por A. v. Lanza, 633 F.3d 1330, 1355 (11th Cir. 2011) ("Ratification of an agreement occurs where a person expressly or impliedly adopts an act or contract entered