Question 1: What is the main theme of the Labour conference as discussed in the article?
The main theme of the Labour conference is the discussion of a 'new deal for working people' and a commitment to avoid a return to austerity measures.
Question 2: What specific pledge is the Chancellor expected to make during the conference?
The Chancellor is expected to pledge that the government's autumn Budget statement will be used to 'rebuild Britain'.
Question 3: Who is delivering the speech that includes these pledges and themes?
The speech is being delivered by the Chancellor, who is a key figure in the Labour party.
Question 4: How do the unions fit into the discussions at the Labour conference?
The unions are actively participating in the debates surrounding the 'new deal for working people', emphasizing the need for better conditions and support for workers.