Tigris and Euphrates river
I believe the answer might be Gupta but I could be wrong.
The correct answer is <span>They were upset that many policies were not change
It was just as the saying goes, the more things change the more they stay the same. Although there were many promises, not many of them were actually fulfilled and this caused the poor workers to just be upset again since their standard of life didn't really improve as much as they believed that it would after the government changed.</span>
Because Christopher Columbus didn't 'find' America until 1492, and even then, it took years before America became its own country.
Irrigation systems helped farmers so they could get water.
