She was from Vienna, Austria
He’s trying to say that it would be almost impossible to continue their journey without having an important part of his mind outwards and shared with the world
The policy is known as the "Open Door Policy."
John Hay created this idea in hopes that America and countries all over Europe could trade peacefully with China. This concept was developed in order to protect America's trade interests while also ensuring that no other country would establish a monopoly on trade with China. Within this policy, all countries would agree not to interfere with another country's trade with China.
B. It reserves powers not given to the federal government for the states.