• In 500, western half of Roman Empire collapsed and Europe fragmented
    • Many kings were relatively weak, power often rested with nobles
  • Large amounts of Western Europe fell into economic decline
    • Literacy largely became preserve of the Church
  • Reasserted authority in mid-700s, stability largely returned by 1000
  • In 11th and 12th century, created structure concentrated on pope
  • Law of the church gave pope jurisdiction over church property
  • Secular leaders demanded power to appoint bishops, pope disagreed
  • Several social and economic events of 11th century contributed to crusades
    • Reformers seeking to soften warlike habits popularized Truce of God
    • Ambitious rulers were looking for new lands to conquer
    • Italian merchants wanted trading posts in Muslim territory