Which historic government action first established comprehensive regulatory oversight of e-commerce platforms in the United States?

Test your knowledge about the intersection of politics, government regulation, and e-commerce platforms! The digital marketplace has become increasingly important in the political landscape, with governments worldwide implementing various regulatory frameworks to address consumer protection, data privacy, and fair competition. This question focuses on a landmark regulatory decision that significantly impacted how e-commerce platforms operate within government oversight.

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The 2018 Supreme Court decision in South Dakota v. Wayfair, allowing states to collect sales tax from online retailers
The 2000 Electronic Signatures in Global and National Commerce Act (E-SIGN Act)
The 2015 Consumer Review Fairness Act prohibiting non-disparagement clauses in e-commerce terms of service
The 2010 Dodd-Frank Act establishing the Consumer Financial Protection Bureau with online retail oversight