It was Burgoyne's over confidence and there were to many several key tactical errors.
I left 2 website links under. Check them out.
Philosophers and other thinkers had many different ideas and propositions about the possible connection between reason and the physical world. One of them is the one you've posted, however, that doesn't mean it's universally recognized or true.
I do not know any of the answers since I did not read the passage, the next time you could put a link to the passage so it's better to comprehend. That's my best suggestion.
I suggest: Put some context and background knowledge <em>before</em> putting the questions themselves for people to answer. If you don't do that, then people would be coming into this blindly.
Answer:
Isolationism is the practice or policy of taking distance from the interest or political affais other groups or countries, which has been sometimes characteristic of the Ameican political life as it was after WWI.
Some senators in the USA believed that the League of Nations violated the sovereignity of the country thus deciding not to join the league and refusing to ratify the Treaty of Versailles which was the agreement that officially ended WWI. Thereby (<em>C.</em>)