The phrase "act of controversy" is correct and usable in written English.
It can be used to describe an event or action that causes disagreement or dispute among people.
Example: "The act of controversy surrounding the new policy led to heated debates within the community."
Alternatives: "source of dispute" or "cause of contention".
In framing the act, one area of controversy had been the vocational education of girls: should they be trained to work in industry, the home, or both?
Compared to today's generation of drivers, who are careful of how they speak and act and afraid of controversy in the global business that the elite racing series has become, Senna's behavior was rich in humanity.
Paul's campaign got off to a rough start after his comments on the Civil Rights Act of 1964 stirred controversy.
The bill, which critics called the "Deny Americans the Right to Know" Act, or the "DARK Act," went through two years of controversy and compromise before a version passed and was signed into law by President Barack Obama this summer.
The commissioner acted in the wake of controversy over a two-game ban given to the Baltimore Ravens running back Ray Rice, who did not contest a charge of aggravated assault in a February incident involving his then fiancée.
But there is something about Dr. King that makes the simple act of commemoration a thicket of controversy.
The copyright infringement provisions of the UK's Digital Economy Act have caused a lot of controversy, not least amongst tech entrepreneurs who face being stifled, when small, technology-driven businesses are core to the future growth of the UK's economy.
The brief nude scene at the end of Act I was a subject of controversy and notoriety.
weighed in on the Employment Non-Discrimination Act (ENDA), at the center of controversy since major LGBT groups pulled their support of the bill in the wake of the Supreme Court's Hobby Lobby decision because of its broad religious exemption.
The letter, directed to DeMarco, comes on the heels of controversy the Acting Director has received for his reluctance to reduce principals for struggling homeowners.
