In the 1920s what did businesses and industries do that caused the economy to slow down

What was the purpose of the federal reserve act

Full-service brokerage firms a. have lower commissions. c. provide no investment advice. b. offer portfolio management. d. teach you how to do market research.

Which of these did the soviet union do in 1961? it built a wall through berlin to keep people from moving to the west. it used force to destroy a wall the united states had built in berlin. it convinced the british and french to merge their zones in berlin with the soviet zone. it threatened to bomb berlin if the united states did not leave within 30 days.