Conversation so far:
what was J.
R.
Jayewardene's legacy?
On the ethnic question, Jayewardene's legacy is bitterly divisive.
what is bitterly divisive about it?
When he took office, ethnic tensions were present but the country as a whole was at peace.
did he help with the tensions?
Though Jayewardene indeed did not take measures to stop the attack on Tamils, he was not opposed to them personally, only politically.

Question: what other legacies did he have?
Self-contained rewrite: What other legacies did J. R. Jayewardene have other than politically?