The archaeologists need to know about the rain patters in the period and place where the Maya existed because the rain was crucial about the growth and well being of the crops that this civilization used. A longer drought than usual can make a huge problem with starvation, and that can be a key reason for the fall of one of the greatest civilizations in the Americas.
''The Maya world probably had too many people'' refers to the food supplies available and their reserves, and the amount of people that were using them, so it is thought that the Maya had too many people that produced and used limited amount of food, so their reserves were very low and would have lasted for a very short term period of time.
The lost loved ones. they honor them
Women's work in WW1. During WWI (1914-1918), large numbers of women were recruited into jobs vacated by men who had gone to fight in the war. New jobs were also created as part of the war effort, for example in munitions factories.
Iron Curtain: A term coined by Winston Churchill about the Soviet hold on Eastern Europe
Truman Doctorine: <span>principle that the US should give support to countries or peoples threatened by Soviet forces or communist insurrection.
Marshall Plan: Giving supplies and loans to struggling nations (Notably recovering Germany) to help them build up</span>
