The phrase "advocated the establishment" is correct and usable in written English.
You can use it when discussing support for the creation or founding of an organization, system, or policy.
Example: "The committee advocated the establishment of a new community center to serve local residents."
Alternatives: "promoted the creation" or "supported the founding".
Subsequently, he advocated the establishment of the League of Nations.
He criticized the Nobel award and advocated the establishment of a Confucius Peace Prize "to show the world our comprehension of peace and perception on human rights".
In April , 2015 just before Clinton announced her Presidential candidacy, Keane gave her a long briefing on Syria, in which he advocated the establishment of a no-fly zone over parts of the country — an option Obama had rejected.
Furthermore, Mr Zuma has advocated the establishment of a media appeals tribunal which will have the power to sanction journalists for "misconduct".
The Administration never credibly advocated the establishment of the rule of law; instead, it turned a cynical, blind eye to massive looting by government-connected figures.
He also advocated the establishment of a chain of American forts from Council Bluffs, Iowa, to the Pacific.
They advocate the establishment of a global "sustainable development goal," in which countries aim to reduce the number of premature deaths by 40% by 2030.
During a visit to Washington before the election, the general said he was advocating the establishment of an Office of Military Cooperation within the American Embassy in Baghdad to sustain the relationship after the Dec. 31, 2011, deadline for withdrawing all American troops.
In July, an organization of Moroccan students in France, Cap Democracy Morocco, which advocates the establishment of democratic institutions, organized a three-day workshop in Rabat that invited young people and scholars to a discussion titled, "Thinking Democracy After February 20".
After sending a lengthy open letter to the king of Morocco advocating the establishment of an Islamic state a consistent theme in his work he was confined to a mental institution (1974 77).
These ideas are like putting a bandage on a broken bone for many Israelis who advocate the establishment of civil marriage and other ways to wrench religion from government.
