They helped move stuff around to trade and they needed little food and water to survive.
Answer:
Hi again lol the answer is "B. an agreement to work together"
The Great Depression of 1929-33 was the most severe economic crisis of modern times. Millions of people lost their jobs, and many farmers and businesses were bankrupted. Industrialized nations and those supplying primary products (food and raw materials) were all affected in one way or another.
States like Oklahoma, the panhandle of Texas, Kansas, Colorado and Portions of New Mexico were devastated.
