A drainage basin is a region of land where water from rain or snowmelt flows into an ocean, lake, river, or other body of water.
Wow I’m shocked that’s even a question. Is that for school?
I think the common between low-latitude countries would be people's skin color and If you compare the Philippines and its neighboring countries, they have more or less similar physical attributes. Typical Filipinos looked similar with Indonesians.
For Southeast Asia, i would also consider religion is common between the two. Both the Philippines and the other Southeast Asian countries such as Indonesia, Malaysia, and Thailand, they have a large number of Muslim settlers while other tropical countries in South America, these countries have similar Spanish ancestry just like the Philippines.
Answer:
1923
i searched it up and it said 1923 on wikipedia