What options were available for people who had lost their jobs during the great depression

When conducting research for forming a hypothesis, which practice should historians follow?

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?

How have a past president and our current president abused the powers granted to the president of the united states by the constitution and the people ?