The Central Powers consisted of Austria-Hungary, Germany, Bulgaria, and the Ottoman Empire.
The Alliance Powers consisted of Serbia, Russia, France, the United Kingdom, Italy, Belgium, and the United States.
Answer:The Spanish Civil War (1936–39) was the bloodiest conflict western Europe had experienced since the end of World War I in 1918. It was the breeding ground for mass atrocities. About 200,000 people died as the result of systematic killings, mob violence, torture, or other brutalities.
Explanation:
It caused the civil war. The industrial revolution in the North, during the first few decades of the 19th century, brought about a machine age economy that relied on wage laborers, not slaves.