Answer:
The Iron Curtain specifically refers to the imaginary line dividing Europe between Soviet influence and Western influence, and symbolizes efforts by the Soviet Union to block itself and its satellite states from open contact with the West and non-Soviet-controlled areas.
Answer you're looking for is A. Disease epidemics during peacetime have resulted in more deaths than history's major wars
Option A. The disadvantage that secondary sources have is that they are created by people who have never experienced the historical period they describe.
<h3>What is meant by secondary sources?</h3>
This is the term that is used to describe the data that are known to already be in existence. These are the types of data that can be gotten from journals or from large government data base.
These types of data are very unlike the primary data that the researcher has to source and create for himself. The primary data would be gotten directly from the field by the researcher who wants to carry out an experiment to determine a phenomenon.
Read more on secondary data here: brainly.com/question/14806486
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Complete question
Which of the following describes a disadvantage secondary sources have compared to primary sources? A.They are created by people who have never experienced the historical period they describe. B.They are extremely rare and much harder for historians to locate. C.They do not rely on historical evidence to support their conclusions. D.They focus too closely on a single piece of evidence instead of providing summaries.
<span>They were veterans of World War I, had been promised a bonus for their service but the Government failed to fulfill this promise.
This led to the movement known as the Bonus MArches, where around 43,000 people marched together and occupied washington monument to demand the bonuses that promised to them.</span>