The effectiveness and expansion of available therapies has seen improvements since the 1970s.

Further expansion has seen this rise to over £47 billion (as at 31 December 2012).

An expansion in 1974 saw a sixth department store added near Sears.

The expansion of the army saw some officers promoted from brigade to corps commander in less than a year.

For expansion on the first and third assumptions see Learning from experience on page 100.

The expansion also saw Rosenborg and private investors purchase the stadium.

A major expansion between 1959 and 1962 saw the hospital grow from 123 beds to 354.

During the mid-1990s both stores saw expansion and renovation.

A large expansion of the factory between 1974 and 1976 saw staff increasing to 520.

The most recent expansion saw the addition of a library and music room in the school's former technology wing.