Answer:
D: Both government employees and private citizens
Explanation:
right on edge
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"<span>Social stratification developed based on newly specialized jobs" is the best option from the list, since this was due to the recent ability to domesticate plants and animals.</span>
Kansas was called "bleeding Kansas' because when the territory was formed, the state got to choose whether it would be a "slave state" or a "free state", and so the people on both sides went around killing each other. The most famous person of this period was John brown, who violently killed at least 12 people because they supported Kansas becoming a slave state.