Support contrast word

A striking trait in the character of the Highlanders was their devoted attachment to their own regiments and officers. When clanship had all but died out in the North, it was found _________ among the southern Highland soldiers.

support/ contrast word?

For the above question, I am not able to understand which is the support and contrast word. Kindly help!

Read what I linked above. Hint: you need to make an attempt and show it.