Assuming that this is referring to the same list of options that was posted before with this question, the answer is that they have gotten involved with casework for all of the following reasons except "domestic issues"
Answer:
They take a gender studies class
Answer:
Which conditions in northern Europe encourage emigration between 1845 and 1860?
Famine and warfare
The Cuban Revolution brought Fidel Castro, as a head of the 26th of July Movement (M-26-7), which initiated and lead the Revolution, to the position of the leader of Cuba, along with the communist government he was part of.