Which of the following pieces of Square Deal legislation left a major impact on the economy? (1 point) Responses Wisconsin Idea Wisconsin Idea 16th Amendment 16th Amendment Pure Food and Drug Act Pure Food and Drug Act new Interstate Commerce Commission laws

The correct answer is the 16th Amendment. The 16th Amendment, ratified in 1913, established the federal income tax in the United States, which had a significant impact on the economy by providing the government with a new source of revenue.