Which of the following is the most significant challenge for HR regarding mergers and acquisitions?

During mergers and acquisitions (MandA), while due diligence and workforce management are important, thegreatest challengelies inintegrating differing organizational cultures. Misaligned cultures can lead to resistance, low morale, and loss of talent.

Extract from HRCI-aligned HR knowledge (Leadership and Strategy):

SPHR-level HR is responsible for “assessing and mitigating organizational culture clashes in post-merger environments.” Effective cultural integration is key to maintaining productivity, engagement, and retention after an MandA event.