Fact 1: Aship is used for moving people across bodies of water.

Fact 2: Abundant waters call for stories of travel and trade, and protecting ships from dangers.

Given the two facts above, answer the question "What are used for travel and trade?" with the following options: 
- pigeons
 - squids
 - rivers
 - ships
 - oceans
 - horses
 - commissions
 - bikes


 

    ships     