Answer:
they wanted to look for new trade routes and hopes to find the source of gold, silver, and other valuables.
Southeast Asia is the region with Thailand and Indonesia.
Southwest Asia is not a commonly used term, but this would be the Arabian Peninsula and regions around it.
The body of water between them (and south of South Asia= India and north of India) is Indian Ocean, option 3.
<span>gency called the U.S. Geological Surveyor aka usgs</span>