What has been the main contribution of third parties like the Populists and the Progressive Party to American political life? a Third parties help prevent the majority parties from losing members. b Most third parties go on to become major parties c Most third parties have helped Americans in rural areas resist the effects of industrialization. d Third parties often introduce new ideas that are eventually adopted.

d Third parties often introduce new ideas that are eventually adopted.

Explanation:

Third parties in the United States are practically referred to the party other than the Republican and Democratic parties. Often, these are parties that breakaway from either of the two. Major examples are Progressives and Populis.

Some of the notable achievements of third parties despite not winning the presidency are:

1. Reduction in the federal budget deficit. This was championed by the Reformed party in 1992.

2. Women suffrage movement and child labor law was championed by Socialist Party in the early 1900s

3. Populists and Socialists parties also advocated for a forty-hour workweek in 1938.

Hence, in this case, the correct answer is option D. "Third parties often introduce new ideas that are eventually adopted."

explanation:

hitler's  "rise" can be considered to have ended in march 1933, after the reichstag adopted the enabling act of 1933 in that month. president paul von hindenburg had already appointedhitler  as chancellor on 30 january 1933 after a series of parliamentary elections and associated backroom intrigues.