The phrase "crisis period" refers to a time of difficulty or trouble that lasts for a certain period. It can describe a situation when things are unstable or there are problems to be resolved. Full definition
Manage chaotic task loads and keep teammates focused and under control during high stress and time - sensitive crisis periods. (resumegenius.com)
Since 2008, we have argued that post-financial crisis periods typically produce a chronically strong senior currency (in today's world, the U.S. remains the monetary hegemon). (etf.com)
The Treasurer expresses support for these arrangements, which served Australia well during the recent international crisis period. (rba.gov.au)