The united states supported the south korean leader Syngman RHee
By a law that was developed and to enforce regulations that the government had passed in July 2010
Effects such as the Smoot-Hawley tariff act raised tariffs to and all time high but was actually meant to help but ultimately failed, causing a sped up process towards the Depression.
Hope this helped if theres choices let me know
All of the above, I apologise in advance if it’s wrong.