<span>Trade routes that developed on the Arabian
Peninsula opened Arabia to goods and ideas from many parts of the world. The
route enabled the flow of products and inventions from 3 continents. It also connected
Arabia to major trade centers which had a huge commercial effect. </span>
answer :A money that’s all
While you didn't really provide the "following" as the comment above me states, in general, the advantage of secondary sources of primary ones is that they perhaps provide a more objective or even just a broader view on a certain topic. While a primary source of the American civil war would be a letter written by a soldier, a secondary source would be a book that describes more letters taken together and discusses possible information regarding them.
It is B because they both led an important role during the French revolution Robespierre led the storming of basttile and napolean led the French army to victory until they marched in to Russia during the winter man that was a bad decision