When the great depression weakened demand for their exports, latin american nations responded by
a developing new industries at home
b laying off millions of factory workers
c welcoming new foreign investors
d lowering tariffs on their products

b laying off millions of factory workers

That's led to great depression especially the fall of market at New York led to more than 3/4 to loose their job

answer; collective security;

i feel as if they would both catch on before to long because they would see them to frequent