How long did it take to build pyramids in egypt?

Thesis statement for negative effects on immigration

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.

In 1819, what did the united states obtain from spain for $5 million?