C i think is the answer cause he did all the others except for answer c.
Answer:
Frederick Jackson Turner was an early twentieth-century American historian. He advocated for multidisciplinary and quantitative approaches, frequently focusing on the Midwest. His thoughts constituted the Frontier Thesis, and he is most known for his essay "The Significance of the Frontier in American History."
Answer:
its c they both had three branches
In this speech, Lyndon Johnson also discussed racial inequality, which was rampant in the 1960s and causing outcries from people who wanted drastic change.
When a corporation eliminates its competition, it becomes what is know as a trust.