The document discusses refugees and international migration. It defines refugees as people who are forced to leave their country due to fear of persecution for reasons such as politics or social factors. Over 39 million people worldwide are refugees or internally displaced. Afghanistan is a major source of refugees, with over 2 million Afghan refugees living in countries like Pakistan, Iran, and parts of Europe due to decades of conflict and hardship in Afghanistan. The document examines some case studies of Afghan refugees and reasons why many flee Afghanistan, which include poverty, violence, and lack of opportunities, healthcare and education.