It refers to the fact that each sovereign state start to seek for more power for their survival

Democracy, peace, and democratic peace are the concepts that are promoted by Liberalism/Idealism. Other concepts are those that Realists of various schools employ to further their arguments on international affairs.

It indicates security dilemma: One country's attempt to increase it security results in the other's feeling less secure, and this leads to arms race

Neorealism assumes that international relations and patterns they tend to follow are shaped by system's structure.

Hedley Bull indicated that this traditional approach, that is The English School was characterized above all by explicit reliance upon the exercise of judgment (Bull 1969), i.e., a pragmatic approach that stressed normative traits of International Relations. The correct answer is B.

In 1949, Belgium, Canada, Denmark, France, Iceland, Italy, Luxembourg, the Netherlands, Norway, Portugal, the United Kingdom, and the United States joined together to form an alliance, called the North Atlantic Treaty Organization.

The book states that the main factor behind the Concert of Europe was war-weariness meaning that states, as well as, individuals disapproved the continuance of wars. That is why, III does not belong to the Concert of Europe.

It generally comes from one to one interaction and regarded as a threat for personal safety

It's the French Revolution that posed serious threat to that system

On p. 4, There is a definition stating that "The discipline of International Relations is focused on a systematic understanding of how states behave", which says that only I is correct.

Emancipation is freedom from power, domination, and influence of others over a person or society. It includes efforts to obtain social, economic and/ or political rights or equality. The correct option is E.

Realism recognizes a powerful individual; idealism/liberalism recognizes people. Neorealism recognizes the system's structure.

Napoleon based his foreign relations upon the evidently growing military superiority of France, and the Napoleonic wars sought to establish French dominance over Europe.

Whereas the Peace of Westphalia reinforced the sovereignty of all monarchies, it did not however establish monarchies for the first time in history. Monarchies such as Sweden and France preceded Westphalia. On the other hand, Westphalia signaled the principles of territoriality, religious autonomy, sovereignty, and sovereign legal equality in the international system.

The definition belongs to the term 'Human Security'. Therefore, the correct answer is B.

Cybercrime affects people on an individual level but cyber-espionage can affect military applications, national banking systems, currency, and governments.The correct answer is E. 

Floods, tsunamis, earthquakes and hurricanes can create threats to human security and have long-lasting effects on individuals, communities, and countries. Though a natural disaster is not an act of war, nor is it one state invading another, the devastation in the aftermath of an earthquake can destroy security for hundreds of thousands of people.

Homelessness, disease, and displacement can all be a direct result of a natural disaster. Such disasters threaten a local community but also the neighboring community. Security, then, is more than merely the absence of conflict.

Sanctions are generally linked to economy

Ransom is defined in option E