Such was the idea behind the Global Guardians, heroes from around the world that would work together to solve problems.
Here, we take a quick look at where these heroes came from, and how they eventually came to gather in stories by E. Nelson Bridwell and Ramona Fradon (with Romeo Tanghal on the last two Super Friends issues, and Alex Saviuk on the DC Comics Presents)....
As the Earth was threatened by the villainous Superman foe, Grax, the Justice League of America had to go into action around the world, so they recruited help from where they had to go....
Super Friends #7 (October, 1977)
Super Friends #8 (November, 1977)
Super Friends #9 (December, 1977)
Super Friends #12 (June-July, 1978)
Super Friends #25 (October, 1979)
Super Friends #45 (June, 1981)
DC Comics Presents #46 (June, 1982)
More members and more history of the team would later be revealed in Infinity, Inc., Secret Origins, Justice League International, Justice League Europe and Justice League Quarterly (including their ties to the Batmen of Many Nations), but this seems to be a good place to stop, as this huge team assembles.