What type of document is this ? How does this information help you understand the document

I’m annoyed but glad that my history teacher left and quit her job as a teacher to become a flight attendant

What city of ancient russia was heavily influenced by the byzantine merchants?

The idea of manifest destiny simply stated it was america's destiny to expand from the atlantic ocean to the pacific. the word "destiny" implies an idea that it was within our rights as a nation to expand. in a paragraph of 125+ words, explain what could be wrong with that idea.