What on the surface may seem simple often turns out to have much more complex causes.

The schism had complex causes, revealing historical processes and circumstances in 17th-century Russian society.

Perhaps any problems there are - and, like most countries in the developed world, we do have problems - have rather more complex causes.

The excitement was natural and understandable; the apprehension had more complex causes.

Finally, it is important to guard against over-reliance on legal solutions to problems which have complex causes.

In any case, the dwindling of Carmel has complex causes.

For example, human height is a trait with complex causes.

The Model provides a non-prescriptive framework that helps to understand the often complex cause and effect relationship within an organization.

Events in Greece and in other countries of the area naturally have complex causes.

Rena's shrinking from the irrevocable step of marriage was due to a simple and yet complex cause.