In revisiting what you have learned so far about imperialism, there are a lot of examples of the U.S. expanding its borders from Hawaii to the Panama Canal to the Spanish-American War and gaining the Philippines, Guam, Puerto Rico, and Guantanamo Bay from Spain.
In thinking of the essential question "How do you see what we are studying now as a consequence of prior events and is there a relevance to today?" - what is the economic impact that we see today with American imperialism? What are examples of goods & products that we benefit from today?