The phrase "allow the spread of" is correct and usable in written English.
It can be used in contexts discussing the permission or facilitation of something to proliferate or increase, often in relation to ideas, diseases, or information.
Example: "The new policy will allow the spread of innovative technologies across the industry."
Alternatives: "facilitate the dissemination of" or "permit the proliferation of".
The plan, which would be paid for mostly with federal money already promised to Great Lakes restoration efforts, calls for new barriers to prevent flooding that might allow the spread of the fish.
But Arjun Makhijani, a nuclear physicist who is a frequent critic of the Energy Department's work, said he was encouraged that the report recognized that any form of recycling would result in the separation of plutonium, a potential bomb fuel, and thus could allow the spread of nuclear weapons.
Unlike the Americans and British, who simply allow the spread of English to take its course, the French have spent billions on promoting their language in French-speaking territories in Africa and the Pacific.
I would like to believe that conscious communities will not allow the spread of prejudice to continue.
"Nonetheless, we're not ignoring the threat that the Iblis State could pose, and so we will continue working to not allow the spread of this contagion in Chechnya.
If we allow the spread of terrorism to be framed as an inter-faith struggle, we will usher unimaginable global conflict, because Christians and Muslims make up over half the population of our planet.
The molecular and immunohistochemical technologies which should allow the spreading of such analysis in routine laboratories are currently being refined.
This level of enzymatic function is insufficient to allow the spreading of the MSL complex beyond the high-affinity sites [ 35].
Then, the repeated organization of rDNA would allow the spreading of new variations trough the mechanisms of genomic turnover, as well as the sexual reproduction could allow to fix them in the reproductive units (i.e. "concerted evolution").
By this epoch, a coastal ice-free corridor opened, allowing the spread of Beringian populations to the Americas.
The in vitro drug release showed a prolonged pattern of release thereby allowing the spread of the drugs inside the target site wherever the tumor may exist.
