8. Which of the following developments would most undermine the main idea of the map? A) The rise of major trading cities such as Malacca in Southeast Asia

B) The diffusion of Hinduism to parts of Southeast Asia

C) The use of a standard currency across China during the Song Dynasty

D ) The decline of Rome’s population from 1 million to 10,000 during the 7th century CE

the answer to your question is a. the salt plains

in 1811, he led an expedition, known as the george c. sibley expedition, to improve relations with the pawnee and kansa tribes, and also to locate the rumored jefferson's salt mountain

explanation:

ad the excerpt and i will gladly answer

do u have any answer choices?

the graph shows the spread of railways in the 1800s.

based on the graph, the conclusion that can be drawn about germany is answer d)   by 1880, germany had more rail lines than great britain and russia.