Invisible ink: During the Revolutionary War invisible ink usually consisted of a mixture of ferrous sulfate and water.
secret codes: Ciphers and secret codes were used to ensure that the contents of a letter could not be understood if correspondence was captured.
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A "Mask Letter" is the name given to a method that the British used during the Revolutionary War to conceal a secret message. This method allowed the secret message to be hidden in plain sight. ... To discover the hidden message, the reader would place a "mask" on top of the letter to reveal the secret message
They set the example to stand up and fight. They fought against those with hatred and who praised the Nazi's etc...<span />
The Treaty of Versailles was enacted in 1919 as the paece agreeement that ended WWI and it signed between the Allied victorious powers and Germany. Its two major outcomes were the following:
- Germany, together with its allies, was forced to assume the whole responsibility for all the losses and all the damage caused.
- Germany had to disarm and renounce to some of its territories. Moreover, war reparations were imposed on Germany, in the form of very large money sums, that had to be paid to the victorious contries.
This treaty was not very sucessful in relieving the tensions that had characterized WWI, and its provisions would be connected to the causes of the subsequent WWII.