Answer:
By building military bases around the world, imperialist nations mainly aimed to resupply naval vessels.
Step-by-step explanation:
The question is not complete since it does not provide the options to answer it, here are the options:
A) resupply naval vessels.
B) protect far-flung colonies.
C) initiate wars in several places at once.
D) avoid warfare within their own nation.
Imperialist Nations increase their dominion as well as making easier to move from one place to another keeping supplies in the military bases to have a strong and highly functional naval strategy, besides the imperialist nations make agreements with people who are willing to help them to assure the resupply of naval vessels in order to get benefits or security.