8299
He was the leader of the free traders , and after 1878 refused to follow Bismarck in his new policy of protection , state socialism and colonial development .
 person: Bismarck
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Bismarck