It’s “a unifying”. Starting with a consonant sound (you), the word unifying takes the indefinite article “a”. Remember, the rule for using “a” or “an” is based on pronunciation, not spelling.
It’s “a unifying”. Starting with a consonant sound (you), the word unifying takes the indefinite article “a”. Remember, the rule for using a or an is based on pronunciation, not spelling.
We need a unifying idea that helps us promote peace and justice.
We need an unifying idea that helps us promote peace and justice.
More examples:
The new theory provided a unifying framework for the two schools of thought.
The Catholic Church was a unifying factor for social life during the Middle Ages.
Team sports, such as football, rugby, or volleyball, should be a unifying force, not a political battleground.
The global market has had a unifying influence on price stability.
A partial list of words that begin with "u" and take the article “a”: