Question

A clover or shamrock is often seen as the quintessential symbol of Ireland. Saint Patrick is said to have used it to teach what ____.

Answer 1

The Shamrock is the one used by Saint Patrick to teach the doctrine of the Trinity.

There is a difference between Shamrock and Clover which is known as four leaf clover.  It gets the name from the Irish word seamróg. The Clover is the version of Americans.  

Answer 2

Answer:

$\huge\underline\mathbb\orange{Answer:-}$

Explanation:

St.patrick is said to have used it to teach Doctrine of Trinity !