Hey there,
The result of the movement of the people across the fertile crescent was that the had a Cultural diffusion. This <span>Cultural diffusion made them have a crazy diffusion that there culture wasn't the same as how it used to be.
~Jurgen</span>
The stock market crash of 1929; the collapse of world trade due to the Smoot-Hawley Tariff (Hawley, it was signed by President Herbert Hoover on June 17, 1930. The act raised US tariffs on over 20,000 imported goods. The tariffs under the act, excluding duty-free imports were the second highest in United States history, exceeded by only the Tariff of 1828), government policies; bank failures and panics; and the collapse of the money supply.
Answer:
Mexico forms the southern border of the United States .
Explanation:
Hope this helped.