/ʌpˈhiːvəl/ – noun
Definition: sự nổi lên, cuộc biến động, cuộc nổi loạn.
A more thorough explanation: In legal terms, upheaval refers to a significant and sudden change or disruption, often resulting in disorder or turmoil. It can be used to describe a major disturbance or upheaval in a legal context, such as a political upheaval or social upheaval that impacts the legal system or the rights of individuals.
Example: The company experienced an upheaval in its leadership when the CEO unexpectedly resigned.