In paragraph 4,what are the “free states”

Why did jefferson make the louisiana purchase?

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?

What was significant about the election of 1828 a. it was first to include b. it was first under new voting reforms c. it reintroduced the two party system d. it was decided by members of congress