"mass struggle" is correct and usable in written English.
You can use it to refer to a collective effort, typically by a large group of people, to achieve a common goal, such as a social, political, or economic outcome. For example, you could say: "The civil rights movement represented a mass struggle against racism and inequality in the United States."
On the contrary, there's clearly a constituency upon which a mass struggle against the racist right can be based.
'The mass struggle means a whole system of developing demonstrations growing ever more acute in form, and logically leading to an uprising against the capitalist order of government.
Thus, Maoism's alternative to growth led by elites and bureaucracies was to be growth brought about by revolutionary enthusiasm and mass struggle.
It paid keen attention to the brave but fruitless mass struggle of the people of Hong Kong to wrest the right to choose their own candidates from Beijing.
For the first time, Hamas may plausibly see nonviolent mass struggle as its only option to break the Israeli blockade and to force a reconciliation with the Palestinian Authority on its terms.
Dr Nathan Hare, who was one of the pioneers of black studies at San Francisco State College, explained that the "battle" for black studies was "a mass struggle based on the notion that education belongs to the people".
He helps provide the left with valuable lessons for today if they want the credibility and respect that is needed to create and lead mass struggles.
Although rare and elusive, if you are lucky enough to catch a river crossing its guaranteed to be the unforgettable experiences as a herd which has stood at the water's edge suddenly crosses in a panicked mass, struggling to get to the other side of a crocodile filled river.
But it is where Venezuela's leader lives in comfort while the masses struggle to survive.
On earth down below, the hordes and masses struggle, sweat, kill each other, and live amongst environmental catastrophe and squalor across the landscape.
The exponential gap between worker and CEO pay has grown to an unconscionable level with the very few living lavishly while the masses struggle to get by.
