Anduvisteis is the conjugation of the verb andar that matches the second person plural (vosotros) in the preterite tense. The preterite tense is one of two simple past tenses. It is used to describe actions that took place or were completed at a certain point in the past. On the other hand, vosotros is an informal subject pronoun. It's more common for this pronoun to be used in Spain. Finally:
Bueno no haré el ensayo pero me leí la historia solo si me como quieres que te ayude y lo haré con mucho gusto! que detalles quieres saber, si es un ensayo de perspectiva personal o un ensayo relatando la historia?
