Answer: not generally recommended when there is political unrest in the importer's country
Explanation:
Sales on open accounts are not usually recommended when political unrest exist in the country of the importer.
The instances whereby sales on open accounts are not recommended are when the trade practice involves the use of other method. Also, when there are difficult exchange challenges from the importer's country or when there's hazardous shipping. A scenario when there's political unrest can also be another factor.