<span>League of Nations,Rhineland, appeasement</span>
Answer:
Webster believed that federal government would go to war to prevent states from seceding, and it wouldn't look good for slaves to be sold in DC, so slavery was abolished there.
The correct answer is climate!
Weather is the current state of the atmosphere (cold or warm for example) and global warming is the general trend for the average temperature to increase globally - but it's a specific weather-related phenomenon, not the statement of average historic temperature.
<span>dendrochronology is a method of discovering past weather by the state of tree rings</span>