It depends what era you're talking about, but the period leading up to WWI the UK was pretty dominant. Neither the Spanish or Portuguese challenged them during

It depends what era you're talking about, but the period leading up to WWI the UK was pretty dominant. Neither the Spanish or Portuguese challenged them during that period. https://en.m.wikipedia.org/wiki/Pax_Britannica https://en.m.wikipedia.org/wiki/Pax_Britannica