When the United States used a gold standard, the U. S. dollar: O A. could not be spent in any country outside the United States.
B. had its value tied to the amount of gold in U. S. reserves.
C. was considered one of the least valuable currencies in the world.
D. only existed as gold coins rather than paper money.

Which of the following statements is true about social anxiety disorder? social anxiety disorder tends to develop in early adulthood. social anxiety disorder often co-occurs with mood disorders and other anxiety disorders. social anxiety disorder is relatively rare, with a lifetime prevalence of about three percent in the united states. lesser than 30 percent of adults with social anxiety disorder report humiliating experiences that contributed to their symptoms.