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The Russian Revolution took place in 1917 when the peasants and working class people of Russia revolted against the government of Tsar Nicholas II. They were led by Vladimir Lenin and a group of revolutionaries called the Bolsheviks. The new communist government created the country of the Soviet Union.
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The Supreme Court here in Roe v. Wade used the compelling interest test. 
To put it simply the compelling interest test is used by the court, federal or state, to check the if the law is constitutionally valid. In the Roe v. Wade case the Supreme Court had to see if  the right to privacy of the 14th Amendment is applied to abortion and they decided it did. They used the compelling interest test to balance this with the state's interest in the welfare of women and the potential human life that is the baby. So the court limited state's regulations on abortion. 
        
             
        
        
        
The significance for communism is that it has caused many wars between the U.S. and other communist countries. The United States doesn't believe in communism, so we are trying to help the people in other countries.
Iron Curtain was where Europe was divided during the Cold War. 
The Cuban Missile Crisis put America in a state of panic. The United States was on the brink of nuclear war.
The Vietnam War was significant because America helped fight against communism in Vietnam. We fought against North Vietnam.
The Taliban gave sanctuary to Osama Bin Laden. 
Septmeber 11, 2001. This day shook the nation. It helped create thousands of jobs, especially in the TSA (Transportation Security Administration).
The war in Afghanistan was fought because of 9/11/01. We fought the  al-Qaeda.
We fought in Iraq because of oil. The whole Kuwait thing happened in Iraq.
<span>The War on Terror, also known as the Global War on Terrorism, is a metaphor of war referring to the international military campaign that started after the September 11th attacks on the United States.</span>
        
             
        
        
        
The members of Dadaist Artistic movement felt that the logic and reason behind capitalist society led to WWI. This belief they felt had led to irrationality and chaos in the society which eventually led to the war. 
        
                    
             
        
        
        
The <span>"Great Dismal Swamp" </span><span>is the name of an area in Virginia and North Carolina that is now a National Wildlife Refuge</span>