Answer:
Native American populations declined rapidly due to a lack of immunity to disease
Explanation:
At that time, many Europeans who came to American continent carried out viruses that could cause diseases such as  smallpox, influenza, and measles within their body.
When they "Encountered" The native Americans, these viruses passed on to the Natives and infected them. 
Because the natives have lack of immunity to disease (they never experienced diseases like that in their life) , the effect to their body is much greater compared to the Europeans. This led to large amount of death among Native Americans.
 
        
             
        
        
        
Answer:It must receive two thirds of the votes, in other words it is at least 66% of votes.
 
        
             
        
        
        
Answer:
Explanation:
The states that were affected by the emancipation proclamation were the confederate states; between these states were: South Carolina, Mississippi, Florida, Alabama, Georgia, Louisiana and Texas. There were some slave states that were not affected by this proclamation because Lincoln was worried that they would join the confederate states and lose the war. The states that were not in rebellion were Kentucky, Maryland, Delaware, Missouri, Tennessee, lower Louisiana and Virginia.
 
        
             
        
        
        
Answer:
A place where you feel belonged will increase the happiness of the people, and happy workers tend to get more work done and be more productive within the society, this also creates a good workspace and environment and this creates bonds among others people