This was known as manifest destiny. Colonists believed that is was their right and destiny to complete the westward expansion.
        
             
        
        
        
The Red Scare or communism was the <span> political system that emerged directly from world war 1.</span>
        
             
        
        
        
Atlanta becomes Georgia's capital. From the time Savannah held the title of state capital, a majority of Georgia was unhappy with the choice. ... After the British left, the capital was moved to Augusta, then Louisville while a new city was being built on the Oconee River, reflecting the western move of Georgia's populace.
        
             
        
        
        
The World Conference on Human Rights was held by the United Nations in Vienna, Austria, on 14 to 25 June 1993. It was the first human rights conference held since the end of the Cold War. The main result of the conference was the Vienna Declaration and Programme of Action.
        
                    
             
        
        
        
Answer:
A, the cotton gin.
Explanation:
The cotton gin separated the seeds from the cotton significantly quicker than any enslaved person could, thus increasing the amount that was produced.  
<em>Hope this helps!</em>