Becoming Prime Minister

The Crisis of May 1940

When Germany invaded Norway in April 1940, the resulting military fiasco was blamed on Chamberlain, even though Churchill, as First Lord of the Admiralty, bore significant responsibility. The Norway Debate in Parliament on May 7-8 was devastating. Conservative MP Leo Amery quoted Cromwell at Chamberlain: 'In the name of God, go!'

Chamberlain resigned on May 10, 1940 — the same day Germany invaded France, Belgium, Luxembourg, and the Netherlands. The choice was between Churchill and Lord Halifax, the Foreign Secretary. Halifax was the establishment choice, but he recognized that a wartime leader needed to sit in the House of Commons and effectively ruled himself out.

Churchill became Prime Minister at age 65, telling the Commons: 'I have nothing to offer but blood, toil, tears and sweat.' Many in his own party distrusted him. The Conservative benches gave Chamberlain a warmer reception than Churchill for weeks.

Going Deeper

The concept covered in this lesson connects to broader analytical frameworks that students of politics, diplomacy, and global affairs encounter across many topics. Mastery requires moving beyond memorization to application — understanding not just what the concept means, but how it operates in real-world contexts.

Connecting Theory to Cases

The most effective way to deepen understanding is through case-based learning. For any analytical concept, identify three to five real-world cases that illustrate it:

• One canonical case: the most-cited example, often historical.
• One contemporary case: a current situation where the concept applies.
• One contrasting case: a situation that initially seems similar but where the concept does not apply, helping you understand the boundaries.
• One contested case: a situation where scholars disagree about whether the concept applies.

Working through cases this way builds the analytical flexibility that distinguishes strong policy and diplomatic thinkers from those who can only apply concepts mechanically.

Cross-Disciplinary Connections

Political concepts rarely operate in isolation. The most sophisticated analysis connects:

• Historical context: how did this concept develop, and why did it emerge when it did?
• Theoretical lineage: which scholars and traditions have shaped how the concept is understood?
• Empirical evidence: what does systematic research show about the concept's application?
• Policy implications: how do decision-makers actually use this concept in practice?
• Critiques: what are the strongest objections to the concept's usefulness?

The layered understanding that comes from working across these dimensions is what serious political and diplomatic research requires.

Building Your Analytical Vocabulary

For MUN delegates, debate competitors, IB and AP students, and political-research practitioners, building a substantial analytical vocabulary is one of the highest-leverage skills. Each concept you genuinely master is a tool you can apply across many different situations. Make a habit of working through Model Diplomat's broader glossary coverage of related concepts, building the connections that make your analytical work more sophisticated over time.