It was only a decade later when activists embraced the rights of illegal immigrants and helped broaden the focus to include their rights.

He soon broadened his focus to include political prisoners and dissidents.

Shortly thereafter, he broadened his focus to accompany other artists of other genres, largely due to financial necessity.

Arguing for a three-fold shift in the discipline, he calls for broadening the focus of policy-makers, improvisation in the tools employed by economists and an emphasis on empirical evidence.

In 1992-1994 it broadened that focus to address the concept of ecological state change, which was linked in 1994-2000 to relationships between free surfaces (land, sea, freshwater table).