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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!

swe hold these truths to be self-evident, that all men are created equal, that they are endowed by their creator with certain unalienable rights, that among these are life, liberty and the pursuit of happiness. — that to secure these rights, governments are instituted among men, deriving their just powers from the consent of the governed, — that whenever any form of government becomes destructive of these ends, it is the right of the people to alter or to abolish it, and to institute new government, laying its foundation on such principles and organizing its powers in such form, as to them shall seem most likely to effect their safety and happiness. "

- declaration of independence

  according to this passage from the declaration of independence, who gives government the power to exist?

a) the king

b) the people

c) their creator

d) their governmenthook