(2) identify some of the barriers that these agencies experienced and strategies they used to address them, and (3) provide examples of reported performance improvements from empowering and involving employees.
The agencies didn't overcome any barriers, they let them be. 
mnli hypothesis: The agencies didn't overcome any barriers, they let them be.  premise: (2) identify some of the barriers that these agencies experienced and strategies they used to address them, and (3) provide examples of reported performance improvements from empowering and involving employees.