Task: Text Simplification
Input (English): the spanish did not manage to conquer the island until 1697 , after several attempts , that begun in 1629 , when they marched in , from corozal in belize , yucatán and alta verapaz , attacked via boats and destroyed it.
Output (English): the spanish were not able to take over the island until 1697 , after many tries that began in 1629 , when they marched in from corozal in belize , yucatan and alta verapaz , attacked via boats and destroyed it.