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

1.) Truman Doctrine
2.) Nuremberg trials
3.) Marshall Plan
4.) Yalta Conference

What was the purpose of winston churchill’s “blood, toil, tears, and sweat” speech? a. to inform parliament about nazi aggression b. to inspire the british people to keep fighting the nazis c. to update parliament on what he had accomplished so far d. to convince parliament to go to war against nazi germany