Answer:
The city was a land route from Europe to Asia and a waterway between the Mediterranean and the Black Sea. The strategic geographic location of Byzantium protected it from attacks.
Answer:The Cheka was used by Vladimir Lenin to consolidate his power after the November 1917 Revolution. The Cheka was the first of numerous Soviet government apparatuses created to control the people – others being later organisations such as the OGPU and the KGB. ... The Cheka became judge, jury and invariably executioner
Explanation:
The correct answer is "It's a primary source because it's firsthand information".
When we're presented with a statistical study of a certain topic, we're dealing with hard facts. A statement addressing "Percentage of College Degrees Awarded to Women" isn't making any assumptions on the matter and the tone of the phrase is neutral as opposed to personal (like you would find in a diary for example). Also, it's not an opinion that someone is giving through speech, but rather the expression of a mathematical calculation that someone made through the observation of certain data firsthand. That's why it is a primary source.
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