"the artist uses this cartoon as a way to express
(1)skepticism about the success of castro’s revolution
(2)support for a revolution in brazil
(3)admiration for castro’s bold plan
(4)confusion about brazil’s economic needs"

The cartoon show is a way the artists uses his way to express skepticism about the success of Castro's revolution. Castro believed that his revolution would benefit his people, however, they would die trying to escape his communist regime. 

Hdah.