Sure! Based on the context you've provided, here are the words and phrases that can be used to fill in the blanks:
- urbanization - Rapid urbanization in Southeast Asia puts too much burden on infrastructure and services in cities. This leads to increasing inequality among rich and poor and can lead to political conflict. Marginalized areas also suffer greater risks in the event of natural disasters.
So, the final sentences would read:
"Rapid urbanization in Southeast Asia puts too much burden on infrastructure and services in cities. This leads to increasing inequality among rich and poor and can lead to political conflict. Marginalized areas also suffer greater risks in the event of natural disasters."
Feel free to let me know if you need further assistance!