Appropriate analysis tool to recognise future issues

Provide an evaluation of one appropriate analysis tool and one method that might be applied by organisations to recognise and diagnose current and future issues, challenges and opportunities.
http://www.slideshare.net/Timothy212/strategic-analysis-tools
https://keydifferences.com/difference-between-micro-internal-and-macro-external-environment.html
https://corporatefinanceinstitute.com/resources/knowledge/strategy/ansoff-matrix/
https://www.youtube.com/watch?v=bYn4CyL3r5w (PESTLE Analysis Video)