Opportunity cost is most related to which concept? A. Price floors B. Scarcity C. Elasticity D. Absolute advantage ?

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.

According to article 1, why did massachusetts raise their taxes on citizens, and what about the currency of the time made it difficult for citizens to pay these taxes

In 1990s the us closed clark air force and subic bay naval station in