In Latin America Most Labor Unions and Confederations Are Different

In Latin America most labor unions and confederations are different from those in the US (and Euorpe) because:

A) They tend to be strongly influenced by Marxist ideology
B) They are often closely integrated into political parties and subsidized by the state
C) They tend to be organizations of middle class professionals rather than workers
D) They show a great deal of unity and little internal conflict