The king decided to call upon his loyal subjects for aid
We must call upon our courage in times of adversity
The committee will call upon experts for their opinions
She decided to call upon her grandmother for advice
The government may call upon the military in emergencies
I'll call upon you tomorrow to discuss the project
The speaker called upon the audience to reflect on their actions
Can you call upon your friends to help with the move?
The organization is calling upon donations to support their cause
He needs to call upon his inner strength to overcome this challenge
We must call upon our friends for help with this task.
I agree. Their assistance will be invaluable.
Let's contact them right away for support.
We must call upon our reserves for this mission
We must use our reserves for this mission
Our reserves are needed for this mission