Identify the correct answer based on the following statements:

Statement 1: Post-colonial states often face challenges in defining and consolidating a national identity, given the diverse ethnic and cultural landscapes inherited from the colonial era.

Statement 2: The welfare state model prioritizes minimal government intervention in the economy, relying primarily on free-market mechanisms to ensure social welfare.

Statement 3: Globalization has led to a convergence of cultural practices, creating a homogeneous global culture that diminishes the importance of national identities.

Statement 4: Nation-states, in response to globalization, may adopt protectionist measures to safeguard their domestic industries and maintain economic sovereignty.