Which modern-day country was the first to embrace christianity?

What will not cause political parties to change or develop

Abody of water that is surrounded by land on three sides and leads to a larger body of water is called

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?