La relación de enemistad mutua DE Abel y Caín viene de lejos. Tengo que cambiar DE por la preposición correcta. ¿cual es?

3. after studying at a colegio, students receive their bachillerato. cierto falso 4. undergraduates study at a colegio or an universidad. cierto falso 5. in latin america and spain, students usually choose their majors in their second year at the university. cierto falso 6. in argentina, students focus their studies in their high school years. cierto falso 7. in mexico, the bachillerato involves specialized study. cierto falso 8. in spain, majors depend on entrance exam scores. cierto falso 9. venezuelans complete a licenciatura in five years. cierto falso 10. according to statistics, colombians constitute the third-largest latin american group studying at u.s. universities. cierto falso select reference tools. dictionary vocabulary tools áéíñóúü¿¡ all caps