HELP Decline in demand American goods>Hawley-Smoot Tariff raises Tariffs on foreign goods to an all time high>??

which of the following best completes the cause and effect diagram above?
A. American purchase more foreign goods than ever before.
B. Foreign countries place retaliatory Tariffs on American goods.
C. The president vetoes the Hawley-Smoot Tariff.
D. More American goods are exported to Latin America.