Farmers mastered irrigation early, providing more crops than they needed to support the population.
On January 1, 1959 Fidel Castro and his band of guerillas took over the government of President General Fulgencio Batista. Although the United States supported Castro during his revolution against Batista's regime, it was uneasy over the communist leanings of Castro. In 1960, Castro seized private lands and took over all U.S. owned businesses in Cuba and imposed heavy taxes on American goods. As a result, the United States ended diplomatic ties with Cuba and imposed a trade embargo which made Cuba turn to the Soviet Union instead. The United States made several unsuccessful attempts to overthrow the Cuban government.
The great myth of the First World War was that defense was all-powerful.
In the inter war years, a new myth appeared -- that the new technology
of the airplane and the tank would result in rapid and massive
breakthroughs on the battlefield, with the enemy being destroyed in
weeks.
I think its the answer would be c ) they wanted to fight each other instead of Europeans