What is most closely the meaning of the word hallucination in the following passage? I knew I should tell my mom about the old ladies at the fruit stand, and Mrs. Dodds at the art museum, about my weird hallucination that I had sliced my math teacher into dust with a sword. Group of answer choices

violent idea

scary dream

false vision

concerning desire

I need a lot of help bc I can't think straight

scary dream

this is quoted from percy jackson im guessing

A dream

Explanation:

I'm sorry if this might be wrong but it's what I wrote.

first, the romans stayed isolated because they had to defend their own territories from neighboring cities that were harassing them, like the etruscans. second, once the romans managed to defeat their neighbors, and started to expand their territory, they started to build roads and bridges. finally, now that the romans have covered their territory with roads functioning as highways, they could mobilize their legions faster to assemble larger military units in a specific place.