The phrase "alter the relationship" is correct and usable in written English.
You can use it when discussing changes or modifications to a connection or interaction between people, groups, or entities.
Example: "The new policy will alter the relationship between management and employees, fostering a more collaborative environment."
Alternatives: "change the relationship" or "modify the relationship."
Hitler specifically, and quite wrongly, denied that agricultural technology could alter the relationship between people and nourishment.
Lloyd said such a move would fundamentally alter the relationship between the police and the public in the UK.
A Google search might not reveal a therapist's deep, dark secrets, but even basic information begins to alter the relationship.
The decision could alter the relationship between graduate students and their professors at private colleges and universities across the United States.
Obama sought the Presidency in part because he hoped to alter the relationship between powerful financial interests and those who govern.
In the process, the new Web sites and all the other medical information becoming available online have the potential to alter the relationship between patient and doctor.
New economic freedoms and the taxes paid by private-sector workers are also beginning to alter the relationship between individuals and the state, analysts say.
The researchers wrote that the new wave of mobile payment services could profoundly alter the relationship between customers and those service providers.
This, Mr. Bremmer said, will greatly alter the relationship between China and Western countries like the United States, generating more conflicts over jobs and market access.
It thus does not grant states additional powers, nor does it alter the relationship that exists between the federal government and the states.
The UK, which holds the six-monthly presidency of the Council of Europe that oversees the court, is determined to push through changes that will fundamentally alter the relationship between Strasbourg and member states.
