I believe the direct object is the swimming hole and the indirect object is the ranch. In school, I learned that you should be able to write the sentence without the indirect object and it should still make sense. Therefore, the sentence without the indirect object would be "Our cousins showed us the swimming hole.".
He believed that scientists should use inductive reasoning.
Maybe the inspirer? Because she persuaded Tiana to follow her dreams to make her restaurant plus, she was a very good friend to tiana