The term 'BIG VOTING BLOC' is composed of three words: LABOR (5 letters), SOUTH (5 letters), and BIG (3 letters). The term refers to a large group of people who are united by their shared interests and who have the potential to influence the outcome of an election. This group is typically composed of members of the LABOR force, particularly those from the southern United States. This bloc has been credited with helping to elect several presidents in the past, and its influence is expected to remain strong in future elections.