Perfect spot to trade is the answer
 
        
                    
             
        
        
        
The correct answer to this open question is the following.
Although there are no options attached, we can say the following.
This new tunnel revolutionized transportation in Europe and overcome this physical barrier because the Swiss engineers built the world's deepest and longest tunnel in the world, increasing the effectivity of train freight transportation across Europe. 
We are talking about the Gotthard base tunnel, in Switzerland. According to the article "Swiss create the world's longest tunnel," was so complex to build that engineers and workers lasted 20 years to complete. It is a tunnel for trains. It has 35 miles of longitude and crosses the Alpes mountains.
 
        
             
        
        
        
Answer:
B
Explanation:
Well, it is a desert, and in deserts, generally there isn't much rain. Because of that, it would probably be the hardest to farm in the Sahara. Hope this helps :)
 
        
                    
             
        
        
        
The compelling evidence used in critical thinking and the court of law is proof. A proof is an evidence that verifies all the conclusions and facts that were stated by a party. It supports to establish the truth of a statement. It is also a strong type of evidence that is directly confirming the truth.