The phrase "advocate forcefully" is correct and usable in written English.
It can be used when you want to express the idea of strongly supporting or promoting a particular cause or idea.
Example: "During the meeting, she chose to advocate forcefully for environmental protection policies that would benefit future generations."
Alternatives: "champion passionately" or "promote vigorously".
Yes, we advocate — forcefully — for more production of America's oil and natural gas resources to meet the continued demand.
She said that Mr. Bush "expects the members of his cabinet to advocate forcefully on behalf of his or her agency" before making major decisions.
Warren asked Mattis if he would advocate forcefully to the President here again she didn't use Trump's name about the need to take seriously the threat that Russia poses.
There was nothing mysterious or unknown about her personality – by all accounts, the "brusque" nature and willingness to advocate forcefully for her point of view that later became seen as liabilities (at least by certain male journalists) were long apparent.
The right to speak up and advocate forcefully, and peaceably, for change.
But his ability to advocate forcefully for the military is unknown.
Nor has he advocated forcefully for it; his attitude about the peace process has been characteristically indecisive.
Ms. Quinn advocated, forcefully, for a renewed embrace of the city's battered waterfront, and challenged New Yorkers to install modern antiflooding technology "and really show the Netherlands and London how to do it".
Behind the scenes, he advocated forcefully for gay attendees and issues.
She brought up the example of Jo Cox, the British Labour MP who had advocated forcefully for the rights of immigrants: she was murdered by a far-right assassin who shouted "Britain first" before shooting and stabbing her.
By advocating forcefully for workers' rights and against the unlimited ability of big corporation to push their workers around, Obama could win back over the mass of people disaffected with the Democratic Party.
