For African Americans, the reason why this period in the US was so ripe for protest is because the Second World War had just ended, and many blacks had been ask to fight for a country that treated them unfairly. The same goes for women.
Answer:
Germany declared war on France. To avoid the French fortifications along the French-German border, the troops had to cross Belgium and attack the French Army by the north. Of course, Belgians refused to let them through, so the Germans decided to enter by force and invaded Belgium on August