The reason why Great Britain and France declared war on Germany at the beginning of the second World war was because A - The invasion of Poland.
When Germany invaded Poland this was the beginning of what would later be called the second World war. A tense atmosphere was brewing up in Europe for a few years since then already because when Hitler's party took charge of Germany, it increasingly militarized the country and was preparing it for war.
In 1830, they took the state of Georgia to court in a case that challenged Georgia's jurisdictional claims directly. In Cherokee Nation v. Georgia, the Cherokees sought an injunction against Georgia's attempts to implement its act of 1828 asserting sovereignty over Cherokee lands.
The answer is B since Lincoln thought slavery in general was “unjust” and wanted it abolished as well as many African Americans served for the union
Answer:
The end of the space race & the colapse of the soviet union