What were the Sumerians able to do in mathematics

What impact did the gi bill and the interstate highway act of 1957 have on the development of the suburbs

Where did khomeini seize power in 1979?

Historians have recently discovered a historical journal published in the early twentieth century. the journal contains facts based on original sources about the downfall of the early byzantium empire. historians consider this long-lost journal to be a breakthrough in their understanding of the byzantium empire. based on this information, the journal is a source.