Kansas
Explanation:
Kansas was admitted as a free state in January 1861 only weeks after eight Southern states seceded from the union. Douglas hoped this idea of “popular sovereignty” would resolve the mounting debate over the future of slavery in the United States and enable the country to expand westward with few obstacles.
Most of the battles were there because there was a greater amount of concentration in the northern states than the southern.
Answer:
The Chinese Revolution of 1949. ... The announcement ended the costly full-scale civil war between the Chinese Communist Party (CCP) and the Nationalist Party, or Kuomintang (KMT), which broke out immediately following World War II and had been preceded by on and off conflict between the two sides since the 1920's.
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