Answer:
B. Physical geography and fear of the unknown
Explanation:
When it came to trading goods in this time period many were scared to travel in the fear of not being able to get back due to the lack of navigation as well as such weird geography really hope this helped. :)
This helped so much 100% thank you so much bruh
Well sometimes you may not have access to a document that was made during the same time period as the historical subject that is being studied. Therefore, a secondary source would be better to use to understand more about subject you are studing.
I am pretty sure that the answer is option C (the use of law to gain respect for African Americans rights)