<span>A trade policy which put large tariffs on imports into the United States is the </span>Smoot-Hawley Tariff of 1930
Some moved around a lot so it helped them travel place to place and got them food
Your answers are Gana, Mali, and Songhai.
The World war 1 has been documented as, World War, WWI, the War to End All Wars, and the Great War.