What does john locke mean when he says that all men are naturally in “state of perfect within the bounds of the law of nature”?

What is one example of trench warfare ?

Where were the trials to review evidence in cases against high-ranking nazi officials accused of war crimes held?

The 20th amendment, also called the lame duck amendment, decreased the amount of time between the presidential election and the inaugration of the new president. what are the advancements that allowed for this amendment?