The phrase "a significant force for" is correct and usable in written English.
It can be used to describe someone or something that has a major impact or influence on a particular issue or situation.
Example: "The organization has proven to be a significant force for positive change in the community."
Alternatives: "a major contributor to" or "a powerful advocate for".
But even the Populists were a significant force for less than a decade, historians say.
He said female delegates were emerging as a significant force for peace and stability and a government based on the rule of law.
"We are seeing choice in the browser market really emerge as a significant force for the first time in a while," Mr. Hardin said.
Likewise, the Texas Defender Service, a nonprofit founded in 1995, built on the momentum generated by the Burdine case to become a significant force for training and assisting death-penalty lawyers.
Under her leadership, The Commonwealth Fund became a significant force for improving the delivery of health care, addressing the health care and developmental needs of vulnerable populations, and strengthening key health care institutions.
If Britain wants to remain a significant force for good on the world stage we simply have to ensure our armed forces get the right equipment at the right time and for the right price.
Without doubt, Sir Chris was a significant force in education for many years".
Obama told Suu Kyi in private that as an important voice on democratic principles, she could be a significant force in fighting for tolerance and an end to discrimination and persecution of minorities, according to a U.S. official familiar with the conversation.
The death on Tuesday of Representative Donald M. Payne of New Jersey, a significant force in Newark politics for decades, could set off a major battle for his seat.
During Rao's tenure, Hindu fundamentalism became a significant force in national politics for the first time, as manifested in the growing electoral strength of the Bharatiya Janata Party and other right-wing political groupings.
Following a composer residency at the University of Western Australia in Perth, he took up a permanent post there, and went on to be a significant force in Australian musical life for four decades.
