Which of the following sentences is correct about the Emancipation Proclamation?

The Emancipation Proclamation has two main purposes: to award freedom and identify rebellion.
The Emancipation Proclamation has two main purposes; to award freedom and identify rebellion.
The Emancipation Proclamation has two main purposes: awarding freedom and identifying rebellion.
The emancipation proclamation has 2 main purposes, to award freedom and identify rebellion.