Explanation:
the united states emerge as one of the two dominant, superpowers turning away from its traditional isolationism and toward increased international environment
sana makatulong po
It doesn't really matter what the public thinks because people have different views on things so can't take an opinion without analysing the situation based on someone else's opinion.
Allowed for echolocation and underwater discoveries such as study of marine life
By the usa help with it and biled it up to were it is to day.