Answer:
The tone used in the excerpt is serious and yet formal, appealing to the people about the seriousness of the issue.
Step-by-step explanation:
Eleanor Roosevelt's speech in 1948 where she talked about the need for an Universal human rights document that will ensure everyone a safe right was one of the most important documents to be ever drafted. The widow of President Roosevelt, a fervent supporter of human rights herself, was the head of the drafting committee to bring about the document that brings to life the now Universal Declaration of Human Rights.
In her speech given in France, she stated that she chose to speak there for it is "in this soil the roots of human freedom have long ago struck deep and here they have been richly nourished". She chose the place due to it's significance in regards with the fight that she is undertaking. She employs a serious and formal tone to address the people, thereby bringing on point the seriousness of the issue that they are dealing with and working for.