What is the most reason the author chose to use the word daunting challenge

yes, they are. i think.

to avoid unnecessary repetition, not every chapter has a map exercise attached. write a one or two-sentence answer explaining the significance of the items 7, ¶ 3-4 - civilization began in the fertile crescent because villages needed careful “in an epic tale told not long after his reign, we find gilgamesh claiming

a low four-wheeled open carriage of a kind formerly used in russia.