Answer:
you have to answer that yourself, basically the teacher is asking whats the best thing YOU have learned during the first half of school.
Explanation:
One of the provisions is an association of all nations
This led to the establishment of the league of nations in 1920. Woodrow Wilson created this point in order to maintain the peace and order in europe.
But back then the united states never agreed to join because at that time we're committed to stay neutral
It provides an overview and overall idea of what it’s about. it also makes reading it later faster .
Answer:
I think the answer is A. an email letter