The US was one of the forces behind the formation of the League of Nation, but the Senate has voted against joining it. This can be seen as a decision dictated by internal political affairs, and by the lack of communication between the president and the senate.
Middle class: small farmers, shopkeepers, village artisans.
If your in fight grade and have a Social Studies book. The answers are in chapter 4 lesson 2 daily life in the colonies.
Writing is important because it lets us communicate reliably with people who are not in the same room at the time: we can leave messages for next generations, we can give instructions to others.
To make writing possible, we need a writing system so that writing can be learnt and taught, and can be a skilled shared by people!
Its basically science of your mind, How it works and such.