It could be argued that a political orientation that favors social progress by reform and changing laws rather than by revolution is called "liberalism," although it should be noted that some extreme liberals can be in favor of revolution as well.
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.
A legal goes through the steps and processes to become a citizien of the country being moved into while an illegal is one who simply disobeys the law and doesn't take the essential steps to become a citizen <span />
I believe THE ANSWER IS A,D