Which of the following is correct about The National Liberation Front $($NLF$)?($select all that apply$)$

Their success in the countryside of South Vietnam led to the "Strategic Hamlet Program".

They wore very similar uniforms as the North Vietnamese Army $($NVA$),$

They were given the name "Viet Cong" by the Americans which meant "Vietnamese Communists".?

They recycled dud bombs dropped by the Americans and turned them into booby$-$traps.

They were an independent militia working separately from the North Vietnamese.