Which of the following adopted a law on data protection and privacy for its citizens known as 'General Data Protection Regulation' in April 2016 and started implementation of it from 25th May, 2018?

The European Union (EU) adopted the General Data Protection Regulation (GDPR) in 2016 to harmonize data privacy laws across Europe and provide individuals with greater control over their personal data. While the United States is a major digital economy, it lacks a single, comprehensive federal data protection law equivalent to the GDPR, relying instead on sector-specific and state-level regulations. The core concept being tested is the knowledge of landmark international legal frameworks governing data sovereignty and digital privacy rights.