The answer would be A, a document made by someone who actually saw an event. A primary source is considered to be the most reliable account of an event.
Answer:
Trade in the Indian Ocean in the period 1200-1450 stimulated political change as ambitious rulers construct larger and more centrally governed states or cities.
Explanation:
Trade in the Indian Ocean in the period 1200-1450 stimulated political change as ambitious rulers construct larger and more centrally governed states or cities.
The main impact was that merchants set up diasporic communities to merge their cultural traditions with other cultures.
The trade was dominated by China.
It did because the people were upset with the second back of the United Staes.
The Arrival of Railroads
A Railroad is like a Transport of things like a train. you can transport people from place to place with railroads or you can transport supplies
Hope this helps
Nation is the correct answer.