The 2011 EU Directive on Trafficking in Human Beings (2011/36/EU) was significant for several reasons:

1. Strengthening Framework: It established a comprehensive legal framework aimed at preventing and combating human trafficking, ensuring that EU member states implement effective measures.

2. Victim Protection: The Directive emphasized the protection of victims, mandating that member states provide support and assistance to victims, including access to legal aid, healthcare, and safe housing. It also recognized the need for a gender-sensitive approach, particularly for women and children.

3. Criminalization: It required member states to criminalize all forms of trafficking, including trafficking for sexual exploitation, forced labor, and the removal of organs. This aimed to create a uniform legal stance across the EU on trafficking offenses.

4. Data Collection and Monitoring: The Directive called for improved data collection and monitoring of trafficking cases to better understand the phenomenon and adapt responses accordingly.

5. International Cooperation: It encouraged stronger cooperation among member states and with third countries, recognizing that human trafficking is often a transnational issue that requires coordinated efforts.

6. Awareness and Prevention: The Directive initiated awareness-raising campaigns and called for measures to prevent trafficking, focusing on reducing vulnerability among potential victims.

Overall, the 2011 Directive marked a pivotal step in the EU's approach to human trafficking, reinforcing the commitment to human rights and the protection of vulnerable populations. For further details, you can refer to the official document here.