Using comma OR not

English as a Second Language English Vocabulary, Grammar and Idioms
1

Both of these sentences are correct or only one of them is correct, please tell me the rule.

a/ A friendly peaceful and cooperative country.
b/ A friendly, peaceful, cooperative country.

Thanks
Khanh

2

On my own perspective, the first one is correct because there are tow adjectives (peaceful and cooperative ) and one adverb(friendly).

baraa

3

Hi,

Hi Bara, these 3 words are all adjectives.

I suddenly found this question on a newspaper, but I don’t know also the answer.

k

4

Yes you’re right. But it should be in this way:

A friendly, peaceful and cooperative country.

baraa