Why did the united states want to gain control of the louisiana territory

What has been a long term effect on the panama canal

Aperson who makes maps is called a mapper drawer cartographer

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?