a countries national flag
WWI tanks were used to lead infantry advances across no mans land (option a ). It was a welcome development, as it was hoped it would help ending the long and casualties provoking trenches type of war.
The answer is B. Habeas Corpus
The English colonists in America brought with them ideas including the need for an ordered social system, or government, the idea of limited government, that is, that government should not be all-powerful and the notion of a representative government which serves the will of the people.