How has the impact of terrorism and terrorist activities evolved over time?

How has the impact of terrorism and terrorist activities evolved over time? 7 sources, 2 of them can be online sources. List of pregenerated questions and sub-topics if you wish to use them. – a.Describe, broadly, what terrorism means in the modern world (what is the official definition from a Western perspective) b.What are some of the difficulties in tackling this type of criminal activity, which is often global in scale and constantly morphs. c.What are some terrorist networks of interest to the US and its national security? d.What are some of the challenges concerning civil liberties in the US, as was evident with the Patriot Act and other policies which have targeted private citizens for the purpose of combating terrorist activities. e.What is US policy regarding this issue and how is that impacting US relations with the world? f.Discuss at least two proposalsfor combating terrorism and analyze which, in your opinion, would be more effective.