Adevice used to communicate news during the second world war

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?

Which of the following had the most significant impact in supporting portugal's e fforts to control the indian ocean spice trade

What mountains did the first transcontinental railroad cross