Which of the following forced Castro to allow some free-market reforms in Cuba? collapse of the Soviet Union

blocking of trade to United States

intervention of the United States

limiting trade to the Caribbean

"a shortage of traditional labor created new opportunities in the workplace. a major cause of the internment of japanese americans during world war ii was. racial prejudice. in the early 1940's, the "destroyers-for-military-bases deal" with great britain and the lend-lease act were evidence that the united states."

b europeans take corn to africa. corn becomes an important crop there.