It was useful because it gave the French people and the nation of France a common ground and common cause for which they were able to fight together. the newly felt sense of unity was something they hadn't experienced before and enabled them to achieve glory in their young country.
The correct answer is Yes. Event though Columbus discovered the new world (not counting viking explorations), he thought that it was India, and not a new continent. Amerigo Vespucci is the one who defined it as the completely new world that has nothing to do with India even remotely.
The correct answer is William Howard Taft
William Howard Taft was a president between 1909 and 1913. He was defeated in the elections for his second term by Woodrow Wilson because Roosevelt split the republican party by running as an independent candidate, so many republicans supported Roosevelt which cost Taft the elections. Later in life, he became a chief justice of the supreme court.
I would say the constitution