The main difference between the terrorism in 1970' s, 1980' s and 1990' s is______.

From the passage ,we can conclude that______. A ) cyberspace will become a new medium for terrorism B) terrorism will become the outcome of competition between terrorists and countries C ) terrorists find it hard to control their actions because of informational technology D) terrorists will take the advantage of technology to attack any country in the world.

Which of the following is not true for the new terrorism in the 1990’ s A) It focuses on not only national affair, but internationally. B) It may seek out military or government targets. C ) Information and communication technology is used. D) Information and communication of their opponents are frequently attacked.