As the world has become more globalized, people, goods, knowledge, and capital flow across borders as never before, bringing with them increased innovation, productivity gains, and improved standards of living. Yet, still too many people have been left behind, trapped in cycles of poverty, disease, and injustice. And while there has been much progress, it has been uneven due to the ongoing and universal challenge of inequality and injustice, which hamper development efforts. Even the United States has witnessed rising levels of inequality and declining levels of socioeconomic mobility, which underscores the fact that no country is immune.