Textual evidence is the evidence from the text that could support your statement or argument.
Try finding this in your text (since you didn't provide one) :
- There were 30 cable laying ships in 1896 and the british owned 24 of them, proving their market dominance
- During world war I, britain's telegraph communication almost flawless and uninterrupted, while Germany's cables were quickly cut world wide
hope this helps
