Answer:
His official motivation was to outmaneuver suspected diplomatic efforts by the British government for emancipation of slaves in Texas, which would undermine slavery in the United States. Through secret negotiations with the Houston administration, Tyler secured a treaty of annexation in April 1844.
Explanation:
google helped
 
        
                    
             
        
        
        
Because they didn't have phones or computers back then to type on or call people so they had to write everything down
        
                    
             
        
        
        
Wasn't a who but a group of Germans sunk the ship <span />
        
             
        
        
        
Answer:
the rebuilding of constantinople
Explanation:
The action of Justinian which contributed to the decline of the Byzantine empire is the rebuilding of constantinople. Justinian was the Byzantine emperor who ruled from 527 - 565, his principal goal was to restore the original Roman Empire