Answer:
checks and balances. I believe that is what you want
Explanation:
counterbalancing influences by which an organization or system is regulated, typically those ensuring that political power is not concentrated in the hands of individuals or groups.
Beginning in 776 B.C.E The greek olympic games celebrated the potential of the human body to achieve amazing feats. The greeks celebrated and enjoyed sports and athleticism as well as encouraging a healthy (cathartic) competion between the states. Today we observe many of the same sports at the olympics and maintain the same general values about sports and the value of athleticism within society. <span />
emeralds are the conflict
Their weapons were much more advanced ex. guns, rather than the natives had bows and arrows.
The trans-continental railroad was completed around this time, so not only did train travel change, but was innovated so that a train could take you anywhere across the US.