The answer is Canal. Canals are human-made channels for water movement, or to administration water transport vehicles. In the vernacular, both are alluded to as 'trenches', and as a rule, the built works will have a progression of dams and bolts that make territories of the low-speed current stream. These territories are alluded to as 'slack water levels', frequently just called 'levels'.
The Spanish-american war allowed the United States to connect the two coasts and establish themselves as a force on the new continent. The expansion allowed them to have allies worldwide who traded with the states and this enabled them to accumulate wealth. World War 1 was the cherry on top because it ruined the entire economy of Europe as well as European infrastructure, while US was free to produce and export since it had no economic rivalry with anyone.
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Answer:
A
Explanation:
Its straight forward , it's the Organisation of Petroleum Exporting Countries and has nothing to do with it been a consolidate of Arab nations even though their land is dotted with oil.
There are several states that flourished as a result of trade between the Sahel across the Sarah with north African crab traders and the Levant world. these city states included Timbuktu that had the earliest form of university in the world , GAO,<span>Djene. The city states often levied trade and were located along the trade routes.</span>