seeking new trade routes.
The purpose of the voyage of the Challenger was to discover different marine species.
The Purpose of his voyage was to escape his Spanish captors and go to the new world. Sporg12 is A-some!
to explore
Exploration
The purpose of his first voyage was to find the Indies and claim it for Spain.
i need it too!
to get riches
No, it is not. they are similar, but not similar enough to use one or the other. Voyage is more general and it is like saying and expedition is a voyage, but a voyage is not necessarily an expidition. An Expidition is exploration with a purpose of discovery and purpose for resolving an issue etc. A voyage could be a trip, a vacation, an expediton, etc. Well you get the picture.
to find riches and gold
To get gold from the Indians
he was trying to find his husband
to find something