Arrange the following International Relations Thinkers in the chronological order: 
(A) Kenneth Waltz 
(B) Hans Morgenthan 
(C) Thucydides 
(D) Alexander Wendt 
(E) E.H. Carr 
Choose the correct answer from the options given below: 

Correct option is C

The correct chronological order of these prominent International Relations (IR) thinkers based on their historical or theoretical contributions is (C) Thucydides, (E) E.H. Carr, (B) Hans Morgenthau, (A) Kenneth Waltz, (D) Alexander Wendt. Thucydides, an ancient Greek historian, laid foundational ideas of realism. E.H. Carr, a 20th-century scholar, is known for his critique of idealism and contributions to realism in IR. Hans Morgenthau further developed realism, emphasizing power politics. Kenneth Waltz introduced Structural Realism, and Alexander Wendt is known for his Constructivist approach in the late 20th century.
Information Booster:
1. Thucydides (5th century BCE): His work on the Peloponnesian War is foundational for realist theory, emphasizing power struggles and human nature.
2. E.H. Carr (1892–1982): His seminal work "The Twenty Years' Crisis" criticized idealism and laid the groundwork for realism in modern IR.
3. Hans Morgenthau (1904–1980): Known for "Politics Among Nations," Morgenthau is central to classical realism, focusing on the inherent power-driven nature of states.
4. Kenneth Waltz (1924–2013): A key figure in structural realism or neorealism, Waltz’s "Theory of International Politics" emphasizes the anarchic structure of the international system.
5. Alexander Wendt (born 1958): Known for his constructivist approach, Wendt challenges the notion that anarchy leads inevitably to conflict, emphasizing the role of ideas and social structures.