These complexes could have been important early catalysts to living processes.

Bars are perhaps one of the most important catalysts for changing a galaxy.

This was the single most important catalyst in the 2008 price increase which led to around 15 million people going without much food.

But it was the railway in the eastern district that became the more important catalyst to growth.

It was an important catalyst to the end of Korean isolationism in the 19th century.

It was an important catalyst in a process of social change among Muslims.

Perhaps the most important catalyst in rebuilding was the desire of parents to keep the school going.

But the most important catalyst for the prevailing good mood seemed to be stability.

In almost all national economies, public procurement is an important catalyst for economic development.

She sees the Internet as an important catalyst for getting people involved in causes.