P. V. N. Myers, A General History for Colleges and High Schools…
“ The resistance to the Spanish crown had thus far been carried on without concerted action among the several states, the Prince of Orange having hitherto found it impossible to bring the different provinces to agree to any plan of general defence. But the awful experiences of the Spanish Fury taught the necessity of union, and led all the seventeen provinces solemnly to agree to unite in driving the Spaniards from the Netherlands, and in securing full liberty for all in matters of faith and worship. ”
