Final answer:
The quote that embodies an economic justification for US imperialism is 'If the United States is to survive, we must have access to foreign resources and markets,' reflecting the historic economic motivations behind expansionism.Hence, the correct answer is option B.
Step-by-step explanation:
The quote that promotes an economic justification for US imperialism is B) "If the United States is to survive, we must have access to foreign resources and markets." This statement aligns with the historical context of the late 19th and early 20th centuries, when industrialists and politicians like Senator Henry Cabot Lodge argued for the necessity of new markets to prevent economic stagnation and industrial disturbances. The embrace of imperialism was seen as a solution to maintaining economic growth and stability by acquiring territories that could provide raw materials and serve as new markets for American-made products. As such, economic interests played a significant role in the push for an imperialistic foreign policy, couched within the rhetoric of spreading democracy and civilizing efforts.