Which civilization ushered in an era of prosperity as greece's first military and economic superpower?

Brainliestttme : ) what demographic changes occurred after world war ii?

President of the united states has scheduled a cabinet meeting today to discuss energy policy with specific focus on pollution and global warming. given what you know of the executive branch, which group of attendees would the president most likely expect to provide up-to-date information and expert insight during this meeting?

Can someone me write a paragraph on this topic i feel confused