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how is a family group or clan making the decision that the settlement will grow barley and other grains an example of the advancement of that civilization?

it shows that a central group is organized and making decisions as a government which is a sign of civilization.
it shows that the civilization has capable leaders who know that barley and other grains will grow well in the region.
it shows that no one else is experienced enough in agriculture to make decisions that will affect the strength of the civilization's economy.
it shows that a central group is hopeful that other nearby civilizations will want to buy barley and other grains in exchange for other crops.

It shows that a central group is organized and making decisions as a govermnet which is a sign of civilization.

Hope this helps! Please marks as brainliest! Thanks!

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was a long, primarily nonviolent series of events to bring full civil rights and equality under the law to all americans. the era has had a lasting impact on united states society, in its tactics, the increased social and legal acceptance of civil rights, and in its exposure of the prevalence and cost of racism. in the south violence and fraud in southern elections from 1868 to 1876, which had reduced black voter turnout and enabled southern white democrats to regain power in state legislatures across the south