The phrase "a powerful lobby that" is correct and usable in written English.
It can be used when discussing a group or organization that exerts significant influence over political decisions or policies.
Example: "The environmentalists formed a powerful lobby that successfully advocated for stricter regulations on pollution."
Alternatives: "a strong advocacy group that" or "an influential coalition that".
Its scale has created a powerful lobby that has serially resisted attempts at reform.
In practice, the steel industry is a powerful lobby that employs many thousands of people.
These absentees were a crucial element in the West India Interest, a powerful lobby that brought together merchants from the major ports, planters, and parliamentarians.
"They are just letting everybody go," said Jones, who is part of a powerful lobby that has thwarted past legislative efforts to reduce the prevalence of cash bail.
The National Federation of Independent Business, a powerful lobby that represents small-business owners, said such mandates amounted to a job-killing tax on small companies.
For every important and helpful reform, such as VAT, there is a powerful lobby that will oppose it.Some make this argument in a spirit of pride: slower economic growth is a price worth paying for democratic freedom.
"A small powerful lobby that represents a vast minority — a very small minority — of Americans seems to have a stranglehold on the Republican Party," Schumer said, referring to gun rights advocates, including the National Rifle Assn.
While large groups of students gather in the city night after night calling for the attack to be a watershed in the way Indian society treats its women, there is an equally vocal and powerful lobby that believes it is women who need to change.
But the new team must also strive to distance itself from the powerful lobbies that have benefited too much from the new order.The beginning of the end of the beginning Time is short.
The powerful lobbies that have their hands up Evan Bayh's backside make sure to have Bayh say that the real problem is that taxing the wealthy doesn't adequately impoverish middle-class Americans, and will thus be a "pyrrhic victory".
Among those standing for the LDP is a candidate supported by Taiju no kai, a powerful lobby group that protects the many privileges of the publicly-owned post office and its workers.
