Why did Quixote attack the windmill in the field?

He thought it was watching him.
He thought it was a giant.
He believed it was an evil omen.
He believed it would impress Sancho.

Respuesta :

he think the 30 some windmills are giant runs into the windmills and knocks them over.sancho tries to talk sense into him sancho is almost like a protector

He thought it was a giant.