Does "On the other hand, the lack of an effective royal justice system in the Kingdom led to the social conflict known as the Guerras Irmandinas ('Wars of the brotherhoods'), when leagues of peasants and burghers, with the support of a number of knights, noblemen, and under legal protection offered by the remote king, toppled many of the castles of the Kingdom and briefly drove the noblemen into Portugal and Castile." contain the correct answer to "Social turmoil led to conflict?"

A: yes

Does "This practice has continued in the Russian Federation, where up to 21 days of the summer holidays is sometimes set aside for school works." contain the correct answer to "What year were students killed as part of a road cleanup project?"

A: no

Does "After the Fall of Rome, the Catholic Church became the sole preserver of literate scholarship in Western Europe." contain the correct answer to "What happened with education during the Early Middle Ages?"

A:
no