The Bill of Rights consists of 10 amendments that explicitly guarantee certain rights and protections to US citizens by limiting the power of the federal government. The First Amendment prevents the government from interfering with the freedoms of speech, peaceable assembly, and exercise of religion.
In conclusion it limits the power of the federal government.
Second renegotiation of Germany's World War I reparation payments.
The Mongol Empire existed during the 13th and 14th centuries and it is recognized as being the largest contiguous land empire in history.