I think the answer is A. "A bus ride."
Sanctions and embargo against Cuba in response to communism, sanctions against Iran in response for revolution, those are 2 examples from recent history.
Answer:
Old ways of farming and lack of knowledge about commercial farming methods.
Explanation:
Less knowledge about using commercial farming is the factor which prevents improvement in the farming after the end of Reconstruction because the people used old ways of farming which produces lower yield as compared to commercial farming. Many farmers are unable to buy fertilizers due to poor economic condition which occur due to the civil war so lack of knowledge about commercial farming and using old ways of farming are the factors that are responsible for no improvement in farming.
They did not think the same laws created for the other countries would work in Venezuela.