The nature and targets of terrorist assaults contributed to this preference.
Between the pre-World War I era and the last decades of the 20th century, the cost of human measures taken to defend national and world leaders has greatly increased.
It became more and more dangerous to target soldiers because of the globalization of terrorist networks.
A proliferation of complex links between dissident magnates and religious figures has been caused by this police, and political leaders.
Contemporary theorists argue that groups in different nations and regions are often an active agent of evil.
It is a legitimate victim in this regard.
The spread of communications technol groups to turn highly advanced civilian technologies, embodied ogies such as the telephone and television, complex networks for in modern passenger planes, into appallingly lethal weapons that deliver electric power and fuels like natural gas, and nuclear could be aimed at innocent and unsuspecting civilian After each of the centers of scientific experimentation was hit with a new range of vulnerable targets, the World Trade Towers collapsed.
Invention and scientific experimentation have made it possible for the headquarters of the world's most powerful terrorist weapons to be attacked.
The toxic events that wreaked havoc on Tokyo's subways may be a sign of a fundamental shift in the nature of warfare that will be played out in the century to come.
The emergence of suicide bombers made this pattern even more disturbing.
Terrorist organizations were confident that terrorism would become the dominant mode of warfare.
Millions of demonstrators protested the impending war in February 2003 because the evidence for these charges was largely incorrect.
The United States invaded and quickly conquered the country.
The United States had difficulty restoring order against a variety of enemies.
In 2009, with Iraq somewhat calmer, American attention turned back to Afghanistan and to the growing strength of radical groups in Pakistan.
The American forces left Iraq in 2011.
The wars may have distracted the US from other global issues.
Peaceful solutions to many tensions seemed impossible as democracy was spreading but not winning everywhere.
The end of the cold war caused a lot of ambivalence.
The danger of all-out nuclear war was lowered by the disproportion.
The nation's true global influence was given by the larger of American power.
New kinds of global linkages were suggested by the spread of democracy, as well as American uses of it, raised and agreements.
Some people argued that there were new disputes.
The United States did not have the power to make the world a better place.
The historical processes that had been of Islam were ended by its policies.
Since the dawn of civilization, the human experience has been defined by the military confrontation between the United States and Canada.
Regional conflicts with their tragic ideological roots of the hostilities seemed distressingly familiar to violence and dislocation, argued against this kind of optimism.