Answer: The mountains, which served as natural barriers and boundaries, dictated the political character of Greece. From early times the Greeks lived in independent communities isolated from one another by the landscape. Later these communities were organized into poleis or city-states. The mountains prevented large-scale farming and impelled the Greeks to look beyond their borders to new lands where fertile soil was more abundant.
What does the National Temperance Council claim is caused by alcohol? They claim that it affects the body, and causes heart, liver, stomach, and kidney diseases, as well was violence and poverty.
assuming efficiency of each man to dig trench, in one day, for one hour is constant,

so one man, working for one hour in one day can dig 1.5 m
so 8 men, working 3 hours a day and will take, say $d$ number of days and efficiency will be constant. so,
$\frac32=\frac{220}{8\times3\times d}$
$\implies d=\frac{55}9=6.12$
Explanation:
It is a social experiment and is the first country to establish a government based on self rule and the rights of man. In the Age of Enlightenment in the 18th century a government of the people, by the people, and for the people was a novel idea that was borne out of the idea that the right of man come from a higher power and not from being given to them by another person. No other country in the history of the world had crafted a governing system built on these precepts. Ii was assumed that it would fail, that people did not have the ability to govern themselves without someone to oversee and have the last word.
Violating the Supremacy cause. This is a clause that is present in paragraph 2 of Article VI of the constitution of the US.
Hope this helps :)
Would you mark brainiest please, I am trying to get more points :)