How did the compromise of 1877 like to beginning of the end of reconstruction

How do committees and subcommittees keep the legislative process running smoothly?

Clouds thar look like whisps of hair are

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?