Question

in a compare - and - contrast essay, a strong argument must explain why opposite opinions may be perfectly valid. provide support in the form of details and relevant facts. contain plenty of emotional and personal language. address all doubts a reader may potentially have.

Explanation:

A strong argument in a compare - and - contrast essay needs evidence. Details and relevant facts act as support, strengthening the claim. Explaining opposite opinions as valid isn't always needed, emotional/personal language can weaken objectivity, and it's impossible to address all potential reader doubts.

Answer:

provide support in the form of details and relevant facts.