"There was a time indeed They used to shake hands with their hearts But that's gone...." a) Pick out the words in alliteration. b) What has undergone a change in the modern times?

"There was a time indeed They used to shake hands with their hearts But that's gone...."

(a) Pick out the words in alliteration.
(b) What has undergone a change in the modern times?

(a) There,time,They,their,that are the alliteration words of this sentencs.

(b) In Today's world people no longer laugh genuinely, but rather do it for show while they inspect the persona closely- hoping to find secrets and flaws of some sort.These has undergone a change in the modern times.