Sabbin iko na ruwa kamar Jamus, Japan, Amurka, da kuma <unk> zuwa ƙananan ƙananan Italiya da Austria-Hungary, sun fara kafa kansu da jiragen ruwa na pre-dreadnoughts, yayin da jiragen ruwa na Birtaniya, Faransa, da Rasha suka fadada don saduwa da waɗannan sababbin barazanar.
ya faɗaɗa