The phrase "demanding background" is correct and usable in written English.
It can be used to describe a context or environment that requires significant effort, skill, or experience.
Example: "She has a demanding background in finance, which prepared her well for the challenges of this role."
Alternatives: "challenging background" or "rigorous background."
The case asserted that the Brady bill (a gun control law that demanded background checks) was unconstitutional.
But it is absurd for the T.S.A. to demand background checks and fingerprinting for what amount to small modifications in the screening routine.
Smith & Wesson, a subsidiary of Tomkins P.L.C., angered competitors and buyers when it agreed in March to demand background checks on buyers of firearms at gun shows, install safety locks and work to develop high-technology guns that only owners can fire.
This year, she rallied mothers of gun-violence victims to join her in demanding comprehensive background checks for gun buyers and tighter reins on gun sales.
Capozziello et al. [23] considered scalar-tensor theories and reconstruct their potential and coupling by demanding a background Λ CDM cosmology.
Gun control advocates in Texas have been pushing lawmakers to tighten the state's laws over the past month, demanding a background checks provision for all would-be gun buyers.
Checkr, for instance, enables discreet, on-demand background screenings and driving-record checks via a developer-friendly platform.
Update: Late this afternoon, just before President Obama gave his most powerful speech to date demanding a background-check bill, Senate Republican leader Mitch McConnell put the full weight of the party's leadership behind the filibuster by announcing that he would join it.
They could demand gun background checks, immigration reform, a national infrastructure rebuilding program and a few other things.
