heartland - centre, focus, epicentre, middle, core, heart, heartlands (usually an area of something successful or popular)⏎
hostile - unfriendly, adverse, attacking⏎
faulty - imperfect, incorrect, inexact⏎
firm - business, company⏎
goal - aim, objective, ultimate⏎
majority - largest, greatest part, main part⏎
integrate - combine, put together⏎
feed - supply, provide⏎
hazardous - dangerous, damaging⏎
invalid - incorrect, unwarranted, officially or legally unacceptable⏎