The phrase "allow them to react" is correct and usable in written English.
You can use it when discussing giving permission or the opportunity for individuals to respond or express their feelings or opinions.
Example: "In a discussion, it's important to allow them to react to the points being made, as this fosters open communication."
Alternatives: "give them the chance to respond" or "permit them to express their reactions."
"What today's children need are simple toys that allow them to react," Dr. Turkle said.
This chapter describes the chemical pathways that are used to modify plant oils and allow them to react with each other and various comonomers to form materials with useful properties.
Over the years, he and other top hitters have compiled a mental database of physiological clues — how a curveball's delivery looks compared to a fastball's, for instance — that allow them to react to a pitch more quickly than, say, a recreational softball player can.
Each cube has 15 embedded electronic sensors and motors, even a camera, that allow them to react and interact with their world around them.
It now seems more likely that the ministers will take a wait and see attitude towards price movements, and agree to some sort of mechanism that would allow them to react quickly should prices make a significant upwards - or downwards - move.
Install screens in The View's table for the co-hosts to see tweets and Facebook messages coming in and allow them to react in real-time to them.
While this allows them to react to threatening stimuli, he said there is no evidence they feel pain.
In principle, more trading and faster trading should be a good thing, making markets more liquid, allowing them to react to new information more quickly, etc.
Pressure would be expected to rise along with temperature, damaging the zirconium cladding on the fuel rods at the reactor core and allowing them to react chemically with water to produce zirconium oxide and hydrogen gas.
Squid also have highly developed brains for an invertebrate, and have nerve fibres that are hundreds of times thicker than those in human beings — allowing them to react in an instant.
The factors identified are intended to allow CCS network designers to determine the degree of flexibility in the system; allowing them to react effectively to short, medium and long term variations in the flow of CO2 from capture plants and the constraints imposed on the system by CO2 injection and storage.
