The primary reason ancient people of the Nile river valley built levees, dikes and reservoirs was so that they could irrigate crops
The concert tickets would most likely represent an opportunity cost<span>. Opportunity cost is the loss of potential gain from one alternative when another alternative is chosen. In this example, instead of buying the concert tickets, he bought a new pair of jeans. The benefit he could have gain from buying the concern ticket was given up in order to acquire the benefits of having a new pair of jeans.</span>
Considering the above questions, the reason a Black farmer in the South might have decided to join the Colored Farmers' National Alliance and Cooperative Union in the late 1880s is that:
"Southern Farmers' Alliance group did not permit black farmers to join them."
However, the reason that the same farmer might have decided to leave the CFNA after 1891 is that:
"the CFNA called for a wage increase from 50 cents to $1 per hundred pounds of cotton for black cotton-pickers, a situation a Black Farmer would see as a detriment to his farming profits."
Hence, in this casez, it is concluded that CFNA before 1891 served the interests of the Black farmers; however, by 1891, some Black Farmers felt it was no longer serving their interests.
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Upon reading Revolutionary Tea it seemed to me like it was to mock him as he was weak. It showed that he did not have control over the colonies therefore, he is weak. Hope this helps!!