Answer:
A. Trade began expanding throughout the Near East region.
Explanation:
Canals linking to body of water provide a path for large ships to come in and out their territory.
This path invited many traders from other kingdoms to come to Near East Region and trade with them, providing opportunities for the locals to sell their goods to more consumers. This increase the amount of their export and the kingdoms in Near East Region (such as the Persions) manage to propser because of this economic boom.