I need help tackling these essay questions. Im not sure how to start them. Any ideas on how to start them would be greatly appreciated.

1. Discuss the extent to which Jefferson's political skill led to success in handling the major domestic events of his presidency.
2. Assess the validity of the following statement: As president, Jefferson was successful in using Republican means to accomplish Federalist ends. (I dont really understand this, i need most help with this one)
3. Evaluate the validity of the following statement: The purchase of Louisiana was the defining event of Jeffersons presidency.
4. Evaluate Jefferson's skill in handling the major foreign affairs issues of his presidency.

Thanks in advance.