Select the most appropriate meaning of the underlined idiom in the given sentence.
I had never seen him lose his temper, and he governed our company with an iron hand.
1
In anxiety
2
At the service
3
To any degree
4
strict and harsh control
Select the most appropriate meaning of the underlined idiom in the given sentence.
I had never seen him lose his temper, and he governed our company with an iron hand.