What geographical feature aided in the development of trade in Mesoamerica a
The rainforests of the Yucatan Peninsula
b
The lakes and swamps in the valley of Mexico
c
The volcanic soil of the southern highlands
d
The rivers flowing from the Sierra Madre mountains

d

Explanation:

because i took the quiz and it was the right answer :)

- "ethical issues. deception – the participants actually believed they were shocking a real person and were unaware the learner was a confederate of milgram's. however, milgram argued that “illusion is used when necessary in order to set the stage for the revelation of certain difficult-to-get-at-truths.” "

- "milgram's work was conducted in the early 1960s before the current.the studies ignited a debate about the ethical treatment of participants. what appear to be dangerous, if not deadly, electric shocks and the by today's ethical standards, many questions about the research have gone unanswered."

answer; adjusting and adapting to a culture other than one's own;