Question

Root cause  the main or fundamental cause for the occurrence of a problem. / It is widely argued that poverty is the root cause of crime. / Is materialism the root cause of crime?

Accepted Answer

Noun + Noun

Collocation	Root cause
Type	Noun + Noun
Examples	the main or fundamental cause for the occurrence of a problem. / It is widely argued that poverty is the root cause of crime. / Is materialism the root cause of crime?

Root Noun Main Fundamental Occurrence Problem Widely Argued