Which techniques did franklin roosevelt use to keep the american public informed

Franklin Roosevelt used informal speeches and have chats on the radio!

Informal speeches or Fireside Chats on the radio. Hope this helps! ~ Autumn :)

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.