The phrase "a show of protest" is correct and usable in written English.
It can be used to describe an action or demonstration intended to express dissent or opposition to something.
Example: "The citizens organized a show of protest against the new law, gathering in the town square with signs and banners."
Alternatives: "an act of defiance" or "a demonstration of dissent."
TV Rain supporters started changing to other internet and cable providers in a show of protest.
In the meantime, she advised donors to withhold contributions to the Audubon center as a show of protest.
Her comments drew a large cheer from those in the crowd, many them students avoiding classes in a show of protest.
Dominique Venner, a seventy-eight-year-old historian, committed suicide in May in the eight-hundred-and-fifty-year-old Cathedral of Notre Dame, in Paris, as a show of protest against the direction he thought France was taking.
Erin Bilbray, a DNC member from Nevada who supported Sanders in the primaries, said there had been talk about some delegates turning their backs on Wasserman Schultz in a show of protest during the convention if she didn't step down.
In a show of protest, MPs in Beppe Grillo's opposition Five Star movement (M5S) held up pictures of Renzi and Berlusconi united by a red heart alongside the words "condemned to love".
In their protest, a show of dissent unheard of just months ago, residents said many of them chanted slogans calling for the fall of the government.
The mourning for the former prime minister, which brought out the biggest crowds the country had ever seen, quickly became as much a show of national protest and unity as of grief.Mr Hariri was, in many ways, the central pillar of post-war Lebanon.
In a show of solidarity, protests have taken hold around the United States.
And for the second time, hundreds of those officers made a silent show of protest against Mayor Bill de Blasio.
Saudi Arabia, which stripped Mr. bin Laden of his citizenship in 1994 because of his militant activities, has turned up pressure against Afghanistan in a clear show of protest at the sanctuary provided there to him.
