| ★ |  Why did France halt its invasion of Germany in 1939? (Short Animated Documentary) | History Matters @historymatters | 132.8K | Reino Unido | |
| 1 |  Why didn't Germany stop expanding in 1939? (Short Animated Documentary) | History Matters @historymatters | 2.2M | Reino Unido | 95 |
| 20 |  Why wasn't Teddy Roosevelt allowed to fight in World War One? (Short Animated Documentary) | History Matters @historymatters | 1.3M | Reino Unido | 89 |
| 12 |  Why did Austria-Hungary do so poorly in World War One? (Short Animated Documentary) | History Matters @historymatters | 894.9K | Reino Unido | 89 |
| 16 |  Why did Russia conquer Siberia? (Short Animated Documentary) | History Matters @historymatters | 600.3K | Reino Unido | 89 |
| 4 |  Why didn't the US focus on Japan first in WW2? (Short Animated Documentary) | History Matters @historymatters | 530.8K | Reino Unido | 92 |
| 19 |  When did the Cold War actually start? (Short Animated Documentary) | History Matters @historymatters | 505.2K | Reino Unido | 89 |
| 5 |  Why did France get so much of Africa? (Short Animated Documentary) | History Matters @historymatters | 404.0K | Reino Unido | 92 |
| 8 |  Why wasn't France a part of the Holy Roman Empire? (Short Animated Documentary) | History Matters @historymatters | 257.1K | Reino Unido | 90 |
| 3 |  Why did Germany declare war on America during WW2? (Short Animated Documentary) | History Matters @historymatters | 208.2K | Reino Unido | 92 |
| 9 |  Why didn't Austria Hungary try to make peace earlier in World War One? (Short Animated Documentary) | History Matters @historymatters | 182.8K | Reino Unido | 90 |
| 11 |  Why didn't the Great Powers join the Franco-Prussian War? (Short Animated Documentary) | History Matters @historymatters | 165.6K | Reino Unido | 90 |
| 10 |  Why did Communist Vietnam invade Communist Cambodia? (Animated History Documentary) | History Matters @historymatters | 139.0K | Reino Unido | 90 |
| 17 |  Why didn't the US nuke Tokyo? (Short Animated Documentary) | History Matters @historymatters | 126.1K | Reino Unido | 89 |
| 13 |  Why did Europe obey the Monroe Doctrine? (Short Animated Documentary) | History Matters @historymatters | 109.5K | Reino Unido | 89 |
| 18 |  Why didn't the US declare war on the Ottoman Empire during WW1? (Short Animated Documentary) | History Matters @historymatters | 80.7K | Reino Unido | 89 |
| 6 |  Why didn't Poland hand over Danzig to Germany? (Short Animated Documentary) | History Matters @historymatters | 79.8K | Reino Unido | 91 |
| 2 |  Why didn't Germany annex more of France in 1871? (Animated History Documentary) | History Matters @historymatters | 74.1K | Reino Unido | 92 |
| 15 |  Why didn't India rebel during WW1 or WW2? (Short Animated Documentary) | History Matters @historymatters | 69.7K | Reino Unido | 89 |
| 14 |  Why did the US side against Britain and France during the Suez Crisis? (Short Animated Docu,emtary) | History Matters @historymatters | 62.4K | Reino Unido | 89 |
| 7 |  Why did the Entente betray Italy after WW1? (Animated History Documentary) | History Matters @historymatters | 0 | Reino Unido | 90 |