309129
Having begun his political career as a Uruguay an Christian Democrat , he subsequently represented the Frente Amplio ( Broad Front ) in the Senate , a grouping which he played a leading part in founding in 1971 .
 Frente Amplio
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Frente Amplio