After 1877 racial segregation became widespread in the South primarily as a result of the black codes that were issues despite efforts made under Reconstruction laws. <span />
        
             
        
        
        
The leader of the underground railroad was Harriet Tubman
        
                    
             
        
        
        
Answer:
If you do not meet the margin call, your brokerage firm can close out any open positions in order to bring the account back up to the minimum value. This is known as a forced sale or liquidation. Your brokerage firm can do this without your approval and can choose which position(s) to liquidate. Explanation; hope it helps brainliest please :D
 
        
             
        
        
        
Answer:
C - Many critics of the movement were punished and China became a
communist country.
Explanation:
Launched by Mao Zedong, Chairman of the Chinese Communist Party (CCP) and founder of the People's Republic of China (PRC), its stated goal was to preserve Chinese communism by purging remnants of capitalist and traditional elements from Chinese society, and to re-impose Mao Zedong Thought