Meaning of ARGUMENT in English
BAD : There are several good arguments for people preferring to live in the countryside.
GOOD : There are several good reasons for people preferring to live in the countryside.
BAD : They don't want children, for purely personal arguments.
GOOD : They don't want children, for purely personal reasons.
argument = a reason that you give to support your opinion, especially when you are trying to persuade someone: 'The writer's main argument is that a better train service will take cars off the road and lead to a healthier environment.' 'The argument against higher taxation is very simple.'
reason = something that explains someone's actions or feelings, or why a particular situation exists: 'My main reason for doing the course is to improve my qualifications.' 'He's got to go back to Mexico, for family reasons.'
Longman Common Errors English vocabulary. Английский словарь распространенных ошибок Longman. 2012