A Roman dictator was not supposed to rule for longer than months

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.

Capitalism competed with dominance in the twentieth century communism merchantilism free enterprise feudalism

31/3: which equation has the solutions x =?