Use 'on account of' to emphasize the reason or cause of an action or event.

Causality Emphasis

'On account of' can replace 'because' for variety or to sound more formal.

Replacing 'Because'

'On account of' often appears in negative contexts, such as explaining problems or excuses.

'On account of' can imply one's action is a substitute for someone else's inability to act.

Use it when the action is taken mainly for the benefit or interest of someone else.

'On account of' can convey empathy by showing actions taken due to concern for others.