Analyze the map in order to answer the question (Which one is true)

1. Complex Interstates in Southeast Asia are among the finest in the world

2. Extensive Bridges connect the islands of Southeast Asia with the Mainland

3. Most Travel between countries happens by sea or air in Southeast Asia

4. Public transportation is universal throughout Southeast Asia

Based on the information provided and analyzing the map, the most accurate statement is:

3. Most Travel between countries happens by sea or air in Southeast Asia.

The map shows a network of airports and seaports throughout Southeast Asia, indicating that travel between countries primarily occurs through these means. There is no clear evidence on the map regarding the quality of interstates or the presence of extensive bridges. Additionally, the map does not provide information on the universality of public transportation in Southeast Asia.