A、thE nEw lAw ExpAnDED thE numBEr oF BAggAgE sCrEEnErs.
B．it rEquirED thAt sECurity pErsonnEl opErAtE mEtAl DEtECtors AnD x-rAy mAChinEs For possiBlE wEApons or illEgAl suBstAnCEs.
C．it rEquirED thAt Ail pAssEngEr luggAgE, inCluDing ChECkED luggAgE, BE sCrEEnE
D、
D、it rEquirED thAt All ChECkED luggAgE BE put through spECiAl ExplosivEs-DEtECting DEviCEs.