Answer:
In practice, neither the Vice President nor the President pro tempore—customarily the most senior (longest-serving) Senator in the majority party—actually presides over the Senate on a daily basis; that task is given to junior Senators of the majority party.
 
        
             
        
        
        
Answer:
Mississippi is a state of the southeast United States. There are many famous Native American tribes whose territories and homelands once located in Mississippi River Valley. 
Explanation:  
Native Americans had a culture in the Mississippi valley before the European conquest, by maize cultivation and trade for their society. The city centre of the Mississippi culture known as Cahokia, which reached its peak between the 10th and the 14th century.  Numerous settlements located near the river managed trade networks that stretched to all direction of North America. 
The arrival of the European settlers abused the balance of power among Indian nations (Appalachian). Many Indian tribes forced to move west and to settle in the Mississippi valley.
The names of the Mississippi tribes included the Biloxi, Choctaw, Dakota Sioux, Ibitoupa, Natchez, Okelousa, Pensacola,  Chickasaw, Quapaw, Taposa, Tiou, etc. 
They planted crops of pumpkins, corn, beans, and squash and also gathered wild foods such as fruit, roots, and nuts. They made sap in maple trees.  They were also engaged in hunting and warfare. 
 
        
             
        
        
        
He was one of two southern senators who refused to sign the document.<span>
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