26968
For example , the formation of the modern states of Germany and Italy in the 19th century is closely associated with the wars of expansion and consolidation led by Prussia and Sardinia-Piedmont , respectively .
 Germany, Italy, Prussia, Sardinia-Piedmont
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Germany, Italy, Prussia, Sardinia-Piedmont