Which statements about ‘non-military force’ are correct?

A、Thereisatendencythatthe‘force’shouldincludenotonlyarmedforce.;
B、Itisstillcontroversialastothelegalityoftheuseofnon-militaryforce.;
C、Statecanusenon-militaryforcetocoerceotherstates.;
D、Itisincreasinglyacceptedthatactionsusingnon-militaryforceareoncontrarytotheUNCharter.