Imparfait = what was happening all around you (including you), background. Also ongoing events, habits, what used to be. Passé composé = what took place at that very moment: a specific event or a succession of specific events, the main storyline.
Answer:
la fidélité loyalty.
la gentillesse. kindness.
la confiance. trust.
un bon sens de l'humour. a good sense of humour.
l'empathie. empathy.
la modestie. modesty.
la patience. patience.
la compréhension. understanding