To compare nouns and adjectives that are different, we use: To compare adjectives that are the same, we use:

Comparative adjectives are used to compare one noun to another noun. In these instances, only two items are being compared. For example, someone might say that "the blue bird is angrier than the robin." Superlative adjectives are used to compare three or more nouns.

Explanation:

i would say "están" :

1st mi opinión sobre las corridas de toros es que no estoy de acuerdo con esto ya que les hacen daño a los toros.

2nd no, no asistiría.

3rd porque no estoy de acuerdo con las corridas de toros, si estuviera en mexico o en españa prefiriria ir a distraerme a otros lugares.

4th questio..   i think this question you have to answer your since i do not know about your culture. sorry