Answer:
Hey there!
This is a good example of the Social Contract.
Let me know if this helps :)
Answer:
The government could have encouraged more trade with Europe and taken a greater role in bringing Germany back into the European economic community. The Hawley-Smoot Tariff was one of the major events that deepened the Depression as European economies became more protectionist in retaliation for this act by the U.S.
This might help! :-)
http://www.loc.gov/teachers/classroommaterials/connections/slavery/file.html