The correct answer here is the second option. 
According to the Limited Nuclear Test Ban Treaty was signed by the United States and the Soviet Union on August 5, 1963 in Moscow. The ban prohibits any nuclear explosions and nuclear weapon tests in water, atmosphere or space. Technically it does not ban testing underground but it does ban it if they cause radioactive debris outside of the state's territory. 
        
                    
             
        
        
        
Answer: A signing the treaty of cordoba
Explanation:
 
        
                    
             
        
        
        
The main reason why German <span>u boats sank unarmed ships such as the lusitania is because the Germanys believed that many such boats were carrying supplies that were helping their enemies. </span>
        
                    
             
        
        
        
The third amendment gives the right to Americans who own their home to reject military troops to enter there home without permission. this was a problem back in the late 1800's with troops staying in the citizen private home by force.  so it helps protects the citizen from having to take in a troop from the army 
        
             
        
        
        
Answer:
OK well imma just summarize for u 
Explanation:
so The fourth crusade was about the pope kinda wanting the city of Jerusalem back from the Muslims but to do that he had to capture the Egyptian Ayyubid Sultanate the biggest  and strongest Muslim state at the time