Which group did most of the americans living on the frontier support

The correct answer to this open question is the following.

Although there are no options attached we can say the following.

The group that most of the Americans living on the frontier supported was the Cowboys.

Yes, at the end of the 1800s in the frontier region, Cowboys made a name by themselves. Indeed, they became one of the symbols of the West, almost as the ideal heroic man of that time.

The very first cowboys started in México under the Spanish name of "vaqueros." They worked introducing cattle to the Mexican territory. Then, the American cowboy, not only whites but African Americans too. They worked for hours under harsh weather conditions, being hot conditions in summer and cold conditions in winter, and they really did not receive good salaries for the job they did.

the minoan civilization flourished in the middle bronze age on the island of crete located in the eastern mediterranean from c. 2000 bce until c. 1500 bce. with their unique art and architecture, and the spread of their ideas through contact with other cultures across the aegean, the minoans made a significant contribution to the development of western european civilization as it is known today. labyrinth-like palace complexes, vivid frescoes depicting scenes such as bull-leaping and processions, fine gold jewelry, elegant stone vases, and pottery with vibrant decorations of marine life are all particular features of minoan crete.  

so basically their unique way of ding arts, as well as architecture.

they encountered severe weather for which they were poorly prepared.