I believe the answer would be: C. Custer and his force arrived ahead of the main U.S. force.
Answer: checks and balances
Explanation: it’s “ a system that allows each branch of a government to amend or veto acts of another branch so as to prevent any one branch from exerting too much power”
Answer: Technology developed in systems of interdependent parts.
Explanation: The human being, endowed with his intelligence, sought ways throughout history to overcome the obstacles imposed by nature. Thus, it was developing and inventing technological instruments in order to overcome difficulties. We may say that necessity is the mother of great technological inventions.
the word is Media Saeculorum
