Commodore Matthew Perry's expedition in 1853 to Tokyo to force trade with Japan displayed the use of "gunboat diplomacy" by the united states, since the United States was threatening (by implication) to use force if diplomacy failed.
The answer is spiritual songs.
Hope this helps!! :)
Answer: international problems can be solved in various ways besides violence. For example.. we can use diplomacy, talking, scheduling meetings, making agreements, etc.
guys I promise you its sewing machine because the sewing machine sewed the clothes while thy cotton gin only worked on the cotton not actual clothes. so the answer should be SEWING MACHINE.
