But the conditions of that kingdom offered a good occasion for its introduction at the date which I have named.

During the Middle Ages the Jews of Castile acquired vast wealth and influence.

Few families but felt the burden of their bonds and mortgages.

Religious fanaticism, social jealousy, and pecuniary distress exasperated the Christian population; and as early as the year 1391, more than 5000 Jews were massacred in one popular uprising.

The Jews, in fear, adopted Christianity.