Which type of government gives final authority to the state or local governments

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.

Enter the word you received when you completed the roots of the cold war activity

What was the most explosive issue facing the united states prior to the start of the civil war?