Among the statements provided regarding the 2004 Indian Ocean tsunami, the following is true:
The tsunami displaced upwards of 1.7 million people.
The other statements are not accurate:
- The tsunami affected multiple countries, not just Indonesia, resulting in deaths and damage across several nations.
- While the tsunami impacted local economies and trade in the affected regions, it did not halt global trade.
- The international community's response included significant aid and assistance efforts that were mobilized relatively quickly, though there were criticisms of the initial response in some areas.
So, the correct answer is: The tsunami displaced upwards of 1.7 million people.