Identify the correct answer based on the following statements:

Statement 1: Post-colonial states often grapple with the legacy of colonialism, including socio-economic disparities and institutional challenges.

Statement 2: A welfare state is characterized by government policies that aim to provide social and economic well-being to its citizens, typically through healthcare, education, and social security programs.

Statement 3: Globalization has led to increased interconnectedness among nations, fostering the flow of goods, information, and capital across borders.

Statement 4: Nation-states, despite the influence of globalization, continue to assert their sovereignty and national identity in various ways.