 Complete the following phrase:  U.S. government actions against Cubana continued all along, with pressures being placed on Western petrol companies that supplied the airline on its international routes. Bombings, arson and other sabotage of Cubanas offices in Mexico, Canada and Western Europe also occurred occasionally, beyond aircraft hijackings. Groups and individuals claiming responsibility or suspected for these violent actions were known or alleged to have had CIA training or ties. Then, 