Answer:
Colonial American Captain John C. Frémont, is the right answer.
Step-by-step explanation:
John Charles Frémont was a politician, soldier and an explorer from America. In the year 1856, he joined the Republican Party. Frémont's and his army's excursion's return to California on June 1846, this encouraged the establishment of the California Battalion, and his army information led to the acquisition of Sonoma, and the creation of the Bear Flag Republic.