The 1850s became a period of economic expansion for the area.

No one expected the current economic expansion, which started in 1991, to last so long.

Then, it moved toward a new period of economic expansion.

"And in the next economic expansion they won't need those people back."

"This trade turn is a major force behind the economic expansion."

And how could it continue even in a period of economic expansion?

It said a 73-month economic expansion had come to an end.

Consider: we are now eight years into an economic expansion.

This will be the main force behind continued economic expansion.

"Looking at the future,the economic expansion is probably going to continue," he said.