weaknesses

I spotted three - how about you?

repetition
['CAMBODIA','HAITI','ALBANIA','DENMARK'],
['CAMBODIA','HAITI','ICELAND','LAOS','ECUADOR'],

['MACEDONIA','ALBANIA','LAOS','TAIWAN','ALBANIA'],
missing letter(s)
NORWAY
['NAMIBIA','OMAN','ROMANIA','ALBANIA','YEMEN'],
the first country is the same as the answer
HAITI
['HAITI','ALBANIA','ICELAND','TAIWAN','ICELAND'],