Final answer:
The statement is false as organized labor's focus since World War II has included both short-term and long-term economic and job security interests, as well as broader social and political advocacy for workers' rights.
Step-by-step explanation:
The statement that the emphasis on advancing employees' short-term economic and job security interests has remained the focus of organized labor since World War II is false.
The focus of organized labor shifted over time. Post-World War II, labor unions were not only concerned with short-term economic and job security but also with wider socio-economic benefits, embracing political action and other forms of advocacy to improve the long-term conditions and rights of workers.
After World War II, labor unions faced new challenges, including legislation such as the Taft-Hartley Act of 1947 that made it harder for unions to operate and maintain membership. Despite these challenges, unions have continued to fight for not just immediate economic gains but also long-term worker rights, including safety regulations, healthcare benefits, and more equitable labor practices.
Unions also played a role in political mobilization and collaboration with the government during World War II and subsequent periods, impacting legislation and policies related to labor. This expanded role beyond immediate economic interests has been vital in shaping the labor movement's history and its influence on American society and labor laws.