Answer:
giving the "most power" to the national government, letting the president direct the executive branch, and having a "firm system of checks and balances"?
One common social structure among ethnic groups in sub-Saharan Africa is segmentary lineage organisation. Segmentary lineage societies are characterised by the foremost importance of kin relationships in determining individuals' social and political allegiances, as well as their patterns of residence.
It was the "B. Plebeians" who made up the majority of the roman population and became citizen-soldiers during the time of war, since these were the "common" people as opposed to the elite.
Debris seems like it fits well <span />