Which of these helped establish the precedent for observing international law?

Truman Doctrine
Nuremberg trials
Marshall Plan
Yalta Conference

What bodies of water provided the eastern border of the zhou dynasty? ?

At the casablanca conference, allied leaders signed an agreement to share military technology decided to launch an invasion of southern france agreed to accept only the unconditional surrender of the axis powers agreed to form a scientific team to create the atomic bomb

What industry was exempt from the child-labor laws passed in the factory act of 1833?