Yellow fever.
after the Spanish War, the most caused deaths by 80% was of yellow fever.
Answer: She should tell participants about her Ph.D. that she as achieved prestigious university
Explanation:
According to the question, as the research is based upon obedience of participant , Dr.Yen is indulged in stetting-up experiment and learning lab for student who don't give correct answer .She will give punishment for disobedience or wrong answer as per confederate terms.
If she wants to increase chances of obedience in participant, she should let them know that she as gained her Ph. D from famous and prestigious university so that they can take her research more seriously. Thus, they will act responsibly and try to answer more correctly.
Spain controlled the land of Mexico in the 1600s of these maps
Answer:
B - the digital divide
Explanation:
I Got It Right On Edge :)