Freedom of religion was added to the first amendment because their wasn't that much freedom with some people religions because other people didn't like what they believed
They were used as slave labourers
Fidel Castro nationalized the Cuban economy and placed the government at the center of the economy. He repressed the civil liberties of all citizens and banned free media. He also banned Cubans from travelling out of the country as well as the sale of private property
I think it was called Ecomienda.