The Crusades have been called "history's most successful failures." Which statement best explains this expression? A. The Crusades did not achieve their original goals, but they brought about many desirable changes in Europe. B. Although the Crusaders captured the Holy Land, they were unable to bring about democratic reforms. C. The Crusades helped bring about the fall of the Roman Empire. D. The Crusaders prevented the Turks from capturing Constantinople for many centuries.

The Crusades have been called "history's most successful failures." Which statement best explains this expression? A. The Crusades did not achieve their original goals, but they brought about many desirable changes in Europe. B. Although the Crusaders captured the Holy Land, they were unable to bring about democratic reforms. C. The Crusades helped bring about the fall of the Roman Empire. D. The Crusaders prevented the Turks from capturing Constantinople for many centuries.