Answer:
germany and asutria-hungary
Tea was not only used as a beverage but also for medicinal purposes, paper and printing allowed for record keeping and communication, gunpowder was used as a propellant in firearms and explosives during warfare, and the compass allowed people to navigate on journeys.
There was a recession when Nixon took office. He essentially came in and helped clean up the economy. To answer your question the condition, of the American economy, was poor.
It's an original document, original documents like journals and treaties are examples of a primary source.