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|Easily noticed or understood.
|To raise animals or plants to be useful to humans.
|A group of people or things with similar qualities.
|To provide enough food or water; to make something continue.
|Describing something that works well and effectively without waste.
|To examine carefully to find out something or to check conditions.
|Or the vast grassy plains of Argentina and Uruguay.
|A high plain centered in Bolivia.
|Or flat strips of level land.
|Who took power in 1438.
|Is the management of communication and relationships between peoples or nations.
|Took power in 1493.
|Is a system for ranking members of group according to their importance.
|Was a group of related families that lived in the same location.
|Owned and managed by the government for public use.
|Or labor tax.
|Or religious teachings and practices.
|Means the management of a government or business.
|A record keeping device made of knotted strings.
|Or population survey.
|A government that takes responsibility for the well-being of its citizens.