Final answer:
Most Latin American countries share a colonial heritage and ethnic backgrounds, resulting in similar characteristics and cultural regions across the continent. Economic unions and globalization have also promoted cooperation among these countries for trade and economic opportunities.
Step-by-step explanation:
One thing most Latin American countries have in common is their colonial heritage and ethnic backgrounds. This has resulted in similar characteristics and cultural regions across the continent. For example, countries like Guyana and Suriname have a majority of Asian population, while Argentina and Uruguay have a majority of European population. Peru and Bolivia have a majority of Amerindian population, and many areas along the eastern coast of Brazil have a majority of African descent. Additionally, globalization and economic unions like the European Union and NAFTA have encouraged countries in Latin America to work together for trade agreements and economic opportunities.