Respuesta :

"Business owners" is the one group among the following choices given in the question that was key to McKinley's victory in the presidential election of 1896. The correct option among all the options that are given in the question is the fourth option or the last option. I hope that the answer has helped you.

I believe the answer is: Business Owners

Mckinley's promote economic expansion program that is aimed to increase the establishment of new business by providing business owners with less tax rate.

Even though this reduce the number of Government budget that can be spent, this programs lead to the creation of many jobs/reduction of unemployment.