Answer:
The farmers in Sumer created levees to hold back the floods from their fields and cut canals to channel river water to the fields. The use of levees and canals is called irrigation, another Sumerian invention
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Answer: becasue the Colonists who had already settled on these lands were ordered to return east of the mountains.
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Answer:
D There were more talented African Americans in northern cities
Explanation:
The Impact of the Great Migration on the Harlem Renaissance led to "more talented African Americans in northern cities." 
This is evident in that the Great Migration period was the time at which a large population of African Americans migrated from the southern states to northern states in the United States. 
It occurred between the 1910s to 1920s. 
It led to a surge of African American talents and social thought which was expressed through the arts and music in northern states
 
        
             
        
        
        
The correct answer is 
<span>b. it led to disputes and conflict between the American colonists and the British crown over the war's expense and British.
The American colonists didn't want to fight with French since there were no hard feelings between the British and the French colonies and they even often traded together or similar things. When they had to go to war against each other, this made the American colonists angry because they didn't want to fight wars that harmed them and that had nothing to do with them.</span>
        
                    
             
        
        
        
Answer:
By the mid-1800s, slavery played an important role in Texas' economic development and, in fact, enslaved African Americans comprised 30 percent of the state's population by 1860.