The phrase "a broader attack on" is correct and usable in written English.
It can be used when discussing a more extensive or comprehensive criticism or assault on a particular subject, idea, or group.
Example: "The article argues that the recent policy changes represent a broader attack on civil liberties."
Alternatives: "a wider assault on" or "a more extensive critique of".
During and after his dispute with government workers, Walker denied that it was the precursor to a broader attack on labor unions.
"Environmental pollution, believe it or not, is interstate commerce, too," Mr. Santorum said, before he eventually turned his answer into a broader attack on President Obama.
These laws, dangerous on their own, are part of a larger political landscape, a broader attack on the 1965 Voting Rights Act.
In 1980, Ronald Reagan rode this ethos to the presidency and launched a broader attack on the New Deal state itself.
It is not clear whether these official media attacks are part of a broader attack on an American company whose size and success may make Beijing uncomfortable.
The student experience is linked to a broader attack on living conditions and on the welfare state over the past two years.
Since that ruling, the alumni fight has taken on a life of its own, becoming a broad attack on the school's governance.
In 1971, corporate lawyer (and future supreme court justice) Lewis Powell wrote a 5,000-word 5,000-wordwas a blueprint for a broad attack on the liberal establishmemo.
Political leaders had been reluctant to criticize Mr. Bashir, fearing that it would appear to be a broad attack on faithful Muslims.
More broadly, he framed Mr. Obama's call to raise taxes on the wealthy and force some Catholic organizations to offer health plans with contraception coverage as the first steps of a broad attack on the politically weak or defenseless.
The decision by Justice Tingling included language that some lawyers took as a broad attack on Mr. Bloomberg's style of governance, which has frequently bypassed the cumbersome legislative process for environmental and health initiatives.
