What were the primary reasons for American intervention in foreign affairs in the late-19th and early-20th century?

Brainliestttme : ) what caused the first opium war? chinese confiscation and destruction of british opium chinese support for the boxer rebellion british efforts to increase opium prices british attempts to force china to accept opium as payment

How did the phoenicians add to the goods available in their marketplaces?

What role did the alliance system play in preventing austria-hungary and serbia from coming to a compromise settlement?