The phrase "issues developed" is a correct and usable phrase in written English.
It is typically used to refer to problems that have arisen or evolved over a period of time. For example: "Over the years, numerous issues have developed in the local economy that need to be addressed."
Three case studies illustrate key issues developed in this book.
"When asked why or when it changed, most explained that in 2008-2009 several of the requirements were waived and the language ability declined, thus numerous issues developed".
French researchers involved in such design issues developed a specific modelling platform to help model, simulate and evaluate cropping systems.
Friedan can be understood as the last survivor of a tradition of writing about women's issues developed by writers such as Margaret Mead, Pearl S Buck and Dorothy Thompson.
The U.S. Embassy in Havana has had minimal staff and have transferred most consular business to third countries following the mysterious health issues developed by more than 20 U.S. diplomats and their family members in May.
Rather than addressing one disease at a time, GHES proposes to provide a comprehensive, multidisciplinary and integrated approach to deal with slum health issues, developed over many years by various participating faculty members of this program.
"Issues developing at the Superdome.
Alternative ways of thinking about ethical issues develop as different viewpoints are shared.
At first, only short-term memory may be affected, with long-term memory issues developing later.
It clarifies complex issues, develops innovative policy solutions, and engages in vigorous advocacy.
As a resource bottleneck for certain strategic elements reaches near a tipping point, many environmental, societal, and political issues develop.
