Because they could be turned into slave states, giving more power to the slaveowners in the south. Also, expansion policy and the dram of Manifest Destiny played a part in desiring that land.
        
                    
             
        
        
        
The main benefit of slavery to governments in the colonies is that it provided a system of almost entirely free labor, since the slaves were not compensated for their work, which took place primarily in fields. <span />
        
                    
             
        
        
        
Answer:
Chang Han followed Confucius idea of placing the welfare of the people ahead of the profits of the state.
Explanation: 
Chang Han was a member of the Ming administration who played a vital role in the Ming dynasty. Emperor Zhu Gaozhi dismissed Zheng He from the treasure fleet and put him in the military campaign to capture the imperial capital Nanjing. Gaozhi believed that the protection of the empire lay within the surrounding of it, not the sea. 
Zheng He conducts trade by shipping silk and porcelain in return for other goods. He voyaged to places like Southeast Asia and the Indian Ocean.
 
        
             
        
        
        
A Republican, "Battling Bob" La Follette served three two-year terms as governor.
The Progressive Movement won its first important victory at the state level of government with the election of Robert M. La Follette as governor of Wisconsin in 1900. 
<em>hope this helps ;)</em>
 
        
             
        
        
        
Legislature
A representative assembly of persons that makes statutory laws for a municipality, state, or nation.
A legislature is the embodiment of the doctrine of popular sovereignty, which recognizes that the people are the source of all political power. Citizens choose by popular vote the legislators, or representatives, whom they want to serve them. The representatives are expected to be sensitive to the needs of their constituents and to represent their constituents' interests in the legislature.