What structure did early civilizations create to
deal with problom of organization and questions about
their existance ?

They made stone tablets to write stories and create something as shown in some artifacts, hieroglyphics, they Mayans created some historical infrastructures to represent their beliefs and worship. They created gods. They engage in civilization and organization that formed into a government.

Human beings were present in this earth for a long time but they settled down to create civilization after a long time. Initially the humans hunted and moved from place to place for need of food. Slowly it became hard for humans to hunt and find food. The humans started growing crops and settling down beside river banks for pure and clean water. The urge for growing crops in the fertile river banks led to the humans creating houses for living. This was the start of civilization and settlement.    

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Explanation:

d) a week

because the land run of 1889, although not without precedent in the history of the west, further, their men were aboard the first trains, ready to jump off and begin staking their claims. oklahoma city, edmond, and guthrie were all so affected.