The phrase "the base upon which" is correct and usable in written English.
It is typically used to refer to something that serves as a starting point or foundation for something else. For example: The Declaration of Independence laid out the base upon which the modern American legal system is built.
The "base" upon which prices are defined and paid.
The base upon which we have built all of this is a stable biosphere.
They are the base upon which the business of the legislature is organized and conducted.
Think of it like a software release, suggests Will - where the product you buy becomes the base upon which subsequent upgrades can be installed.
It may happen less now but Roderick was right on one count: "The Australia that Henry Lawson knew... was the base upon which our society has grown".
She set up the real estate business, E Trump and Sons, the base upon which the family went on to build and buy up New York real estate.
Topographic maps usually form the background for geologic, soil, and similar thematic maps and provide primary elements of the bases upon which many other kinds of maps are compiled.
Juxtaposing the bases upon which identities were differentiated in Mbekweni with Antananarivo suggests a contradictory set of possible implications for vulnerability to HIV in these study sites.
The findings provide the bases upon which Government, policy makers and all other relevant stakeholders will target efforts to reduce the identified inefficiency of the health centres (see Table 3).
Studies like that of Okabe and colleagues, even if retrospective and small in size, have their value as they join others in the exploration of new strategies that can provide the glimmer of hope sought by Sugarbaker and Yonemura in the management of this difficult disease. 5 They provide the bases upon which larger prospective trials can be designed.
And he further said that he did not accept the claimants' argument that the evidence base upon which the minister acted was inadequate and rejected the suggestion that Hunt had misled parliament.
