The correct answer is B) he fought like one for things he believed in.
Roosevelt chose a bull moose as a symbol for his new Progressive Party because he fought like one for things he believed in.
Former United States President Theodore Roosevelt decided to form its own political party in 1912 when he could not be the candidate of the Republican party. He lost the presidential nomination because the party preferred William H. Taft. Based on a populists platform that promoted progress reforms, Roosevelt tried to reach the presidency one again but he lost.