All the nomadic tribes and sub-tribes of the central asian steppe were known as

Scythians

Explanation:

Scythians, was the name given in antiquity to members of a group of peoples of Iranian origin, characterized by a culture based on nomadic herding and breeding of riding horses. During classical antiquity, the Scythians dominated the Pontic steppe, which was called Scythia. His language would be the ancestor of the modern Ossetian.

i am not 100% positive but i think it is is b. both are non-partisan jobs

i am pretty sure that members of congress have term limits, can be impeached, and are nominated through direct popular vote.

for the 2 countries u can do china and america because america has a democratic government while china has a communist government.

a democracy is a government run by the people either by directly voting or indirectly by electing representatives. an oligarchy is a government run by a few or a small group of people. a democracy and oligarchy are similar because both in an oligarchy and an indirect democracy, a small group of induvial determine the laws for a large group of people they are different because in an oligarchy it is easier to control and they do not have to answer to a large number of people in the country, unlike a democracy where they do have to answer to a large number of people an county that is a democracy would be the united states. a country that is an oligarchy would be the china.