What were the two important developments followed in the last 20

What were the two important developments followed in the last 20 years of the 19th century?
【正确答案】：Two important developments followed in the last 20 years of the 19th century: the growth of unions where they were most needed, among unskilled workers; and the formation of a political party, the Labor Party.
【题目解析】：参见教材P127。
掌握“Trade Unions and the Labor Party”知识点。