During the reign of leo iii, many byzantine monasteries were suppressed because:

Many Byzantine monasteries were suppressed during the reign of Leo III because of what has come to be known as the ICON CONTROVERSY. The Emperor Leo III believed that icons encouraged superstition and idol-worship which goes against the Ten Commandments and thus banned the use of icons in 726 AD.

wilsons 14 points

hope i

although the crusades failed to capture jerusalem, they had several major impacts on western europe. they increased the authority of the king: sometimes nobles died in battle without leaving an heir in which case the king got their land. kings passed taxes to pay for the crusades.