There is no doubt that the main majors are difficult and growing more complex.

America has one of the most complicated tax systems in the world, and it grows more complex every year.

But the politics of the bill has grown more complex.

What seemed like a simple matter would grow increasingly complex.

The end of the war prevented the issue from growing more complex.

But the Web has grown more complex over the years.

Relations between owners and crews, perhaps always difficult, are growing more complex.

Over the last decade, the handling of such questions has grown far more complex.

But at the same time other species may be growing less complex.

The ceremony has evolved over the years, generally growing more complex.