Belle and Diamond are spending the day together. First, they have breakfast at McDonalds, then have a quick work-out at Curves followed by a massage at Massage Envy, and getting their nails done a Red Persimmon. They finish their day with getting their hair done at Fantastic Sams followed by ice cream at Ben & Jerry’s. What do these businesses have in common?

Explanation:

A  form of business in which franchiser allows the investor to operate business. The investor pays a franchise fee and gets a system or format developed by a company, or to use the franchiser's name for specific number of years. Mc Donald's, Pizza Hut and Burger King are all examples of franchise.  Franchise is a common way of doing business.

All  the businesses mentioned in the question are Franchise

try something like republic or democracy joined or something because its talking about a election party.