"external influence" is a correct and usable phrase in written English.
It can be used to describe the impact of sources outside of a particular situation or group on their actions. For example, "The company considered the external influence of its competitors when determining its marketing strategy."
I just wanted a better future for my children, but external influence on the revolution has messed it all up.
"Left to my own devices, without any external influence, the songs would be really weird," she says.
They don't pander to the fans or anything like that, there is no external influence.
For these defenders, the encyclical and ensuing purge kept Catholicism from suffering the loss of internal vigor and external influence that they believe was the fate of Protestantism.
External influence can still drive progressive policies on inequality and sustainability, and cash is needed to back that up, even when it is a relatively small amount.
Long ago we realized that paying sports figures well was one way to lessen the possibility of external influence on professional sports.
To counter the risk of external influence, an increasing number of towns across France are bending the laws that prevent government from subsidizing religious institutions.
Attempting to explain the collector's motives, he claims, "It is the anonymous snapshot's immediacy, inherent honesty, and unstudied freedom from external influence that are the draw...
The trouble with a diagnosis based on conviction rather than measurement is that it is vulnerable to external influence.
Attempting to explain the collector's motives, he claims, "It is the anonymous snapshot's immediacy, inherent honesty, and unstudied freedom from external influence that are the draw..
As is, I would add, the darkly utopian idea Mr Sanchez identifies: the notion that disagreement is a product of malign, illegitimate, external influence.
