Answer:
I agree
Explanation:
Democracy is fragile, and we all know it, people can exploit the system, but it has prevailed, and we still have a functioning system today, the concept of democracy helps itself stay stable, and even if it starts to rock back and forth, it will still stand, because the votes of people, not kings or queens, help the people. 
 
        
             
        
        
        
Answer:
Philosophically,i would say that people may say they trust somebody completely or with all their heart, but their brain may still have restraints or concerns on the truth of telling somebody, even if they are the most trustworthy person you may know. However, trust is also non-materialistic so it is up to you to decide you trust anybody 'completely'
Explanation:
 
        
             
        
        
        
Steam Engine,eletricity and assembly line.
        
             
        
        
        
Answer:
He wanted to keep skilled East German workers from moving to West Berlin.
Explanation:
To impede the constant crossing of large numbers of East Berliners and East Germans to West Berlin, controlled by the Western powers, was the main motive behind the construction of the Berlin Wall in 1961. It meant to stop the loss of skilled workers, too. This measure was decided by the German communist authorities and it must have had Soviet approval. Nikita Khrushchev was the Soviet top leader at the time.