Before English, French was the international language of diplomacy, and it was very influental in science and humanities. Spoken French is as simple as Spanish at a glance. The writing system is peculiar, but still much more regular than the English one.
> It wasn't chosen, America just won
That doesn't make English a bad language. Perhaps America (I guess you're referring to the USA) won because of English is so easy.
But cultural, financial and political influence obviously count.