Germany was blamed for world war 1. The treaty of Versailles in 1919 restricted Germany in many ways, such as them paying war reparations, taking blame for the war, losing colonies they were imperialistic towards, and not being able to construct a large army.
The Articles of Confederation was the United States' first constitution. It was composed keeping in mind the end goal to join states after the American Revolution. Nonetheless, in light of the fact that the American individuals dreaded solid national governments at the time, it didn't give adequate energy to the central government.
B. The emancipation proclamation was what gave slaves their freedom when Lincoln issued the proclamation in 1863.