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| 13 |  Why didn't the Boers ever unite against the British? (Short Animated Documentary) | History Matters @historymatters | 684.3K | Reino Unido | 88 |
| 11 |  Why didn't the US focus on Japan first in WW2? (Short Animated Documentary) | History Matters @historymatters | 530.8K | Reino Unido | 88 |
| 17 |  Why did the 1945 Japanese Army coup against the Emperor fail? (Short Animated Documentary) | History Matters @historymatters | 513.3K | Reino Unido | 88 |
| 6 |  Why didn't the Ottomans capitalise during the Napoleonic Wars? (Short Animated Documentary) | History Matters @historymatters | 269.1K | Reino Unido | 89 |
| 10 |  Why didn't Saddam Hussein back down before the Gulf War? (Animated History Documentary) | History Matters @historymatters | 236.2K | Reino Unido | 88 |
| 5 |  Why did Germany declare war on America during WW2? (Short Animated Documentary) | History Matters @historymatters | 208.2K | Reino Unido | 90 |
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| 4 |  Why didn't the Great Powers join the Franco-Prussian War? (Short Animated Documentary) | History Matters @historymatters | 165.6K | Reino Unido | 90 |
| 12 |  Why did Russia give up so much land to Germany in 1918? (Short Animated Documentary) | History Matters @historymatters | 141.3K | Reino Unido | 88 |
| 20 |  Why did Communist Vietnam invade Communist Cambodia? (Animated History Documentary) | History Matters @historymatters | 139.0K | Reino Unido | 87 |
| 7 |  Why did France halt its invasion of Germany in 1939? (Short Animated Documentary) | History Matters @historymatters | 132.8K | Reino Unido | 89 |
| 19 |  Why did Europe obey the Monroe Doctrine? (Short Animated Documentary) | History Matters @historymatters | 109.5K | Reino Unido | 88 |
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| 15 |  Why weren't Confederate leaders punished after the Civil War? (Short Animated Documentary) | History Matters @historymatters | 54.0K | Reino Unido | 88 |
| 8 |  Why did the Entente betray Italy after WW1? (Animated History Documentary) | History Matters @historymatters | 0 | Reino Unido | 89 |