This question belongs in a philosophical debate, it is one of those questions that everyone in the world has a slightly different answer to.
That would be A, and abundance of Natural resources. The United States was still pretty new when the industrial revolution started, so they had a huge amount of natural resources at their disposal, unlike Britain that had been there for way way longer. Hope this helps! I’m new on here.
<span>Osvaldo Dorticós Torrado was the leader of cuba at the time of 1960.</span>