(D)The development of stone tools, because the neolithic age has to do with the development of human tools.
Gladiators were usually slaves, criminals, or prisoners of war—the Romans knew that the best way to orchestrate a fight to the death was to use men who have nothing to lose.
A. Gladiator
Answer:
From 1821 to 1846, as more and more traders took their goods over the Santa Fe Trail, it became an international commercial highway used by Mexican and American traders. The 900-mile trail connected Old Franklin, Missouri to Santa Fe and was the lifeline linking the New Mexico Territory to the eastern United States.
I would go with c not the other ones
Brutus is good friends with Caesar so Cassius used/tried flattery instead
