20 points! Why were goods traded between Europe and Asia so expensive when using overland trade routes?

A. There were many people involved along the way that all had to be paid enough to earn a profit.

B. Trade along the Sild Road was controlled entirely by Persia, which demanded a tax paid on all trade.

C. Trade along the Sild Road involved travel through dangerous Himalayan mountain passes that required paid guides.

D. Travel was dangerous, so families had to be compensated financially when members of trade caravans often died along the way.
Pls, answer ASAP.

D

Explanation:

the historians cited in the article all agree with one another about the cause of the civil war. despite coming from different backgrounds and cultures, the historians agree that slavery was the root cause of the civil war. the fact that all these historiansgenerally agree with one another makes their shared viewpoints more reliable and valid, especially because the historians have different backgrounds and all work for the well-respected institutions of howard university, clemson university, and the university of colorado.

it is a part of john locke's natural rights popular during the age of enlightenment that people had inalienable rights to life, liberty and property. this was reflected by thomas jefferson in his declaration of independence as rights to life,liberty and the pursuit of happiness.

another line in the declaration of independence is that people have certain rights just because they are human. humans are capable of obeying the three natural rights john locke mentioned making them governable by these laws and therefore entitled to these rights as well.