How is “look kindly on” used?

In The Hateful Eight (2015), one line is: “Cavalry tends to look kindly on that”

Which movie is “look kindly on” from?

The clip at the top of this page is from The Hateful Eight (2015).

Idiom

to approve of sth / sb

formal · Heard in 3 movies

look kindly on / upon sth / sb
to approve of sth / sb
He hoped they would look kindly on his request.

Definitions from the Oxford Advanced Learner's Dictionary, 9th edition

Cavalry tends to look kindly on that

Said in 3 films · #1