How did the 'British Invasion' impact 80s American comics?

The 'British Invasion' refers to a wave of British writers and artists who began working on American comics in the 80s, notably for companies like Marvel and DC. Writers like Alan Moore (Watchmen, Swamp Thing), Neil Gaiman, and Grant Morrison, and artists like Dave Gibbons, Brian Bolland, and John Ridgway brought a more mature, literary, and experimental approach to storytelling. They deconstructed superhero tropes and explored darker themes, significantly influencing the industry.