Usage patterns
〈場所〉で動乱が起こるfor unrest/upheaval to break out in a place
A large-scale upheaval broke out in that country.
動乱に巻き込まれるto get caught up in an upheaval
Many citizens got caught up in the upheaval.
動乱の時代an era of turmoil/upheaval
That period is known as an era of upheaval.
動乱を経験するto experience/live through an upheaval
My grandfather belongs to the generation that lived through that upheaval.