Simplify the following text for a Grade 13 native English-speaking person.
Original: Toward the end of the Three Kingdoms period , noblewomen began to wear full-length skirts and hip-length jackets belted at the waist and noblemen began to wear roomy trousers bound in at the ankles and a narrow , tunic-style jacket cuffed at the wrists and belted at the waist .
Simplified: During this time , noblewomen started wearing full-length skirts and jackets , and noblemen began to wear roomy trousers bound in at the ankles and belted at the waist , and thus , aristocrates began to wear what is similar with Hanbok in thses days .