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.
By roughly 6000 to 8000 years ago, agriculture was well under way in several regions including Ancient Egypt, around the Nile River; the Indus Valley civilization; Mesopotamia, between the Tigris and Euphrates rivers; and Ancient China, along the Yellow and Yangtze rivers.
President Andrew Jackson said: “John Marshall has made his decision;
now let him enforce it.”
Answer: A
Explanation 5 days after Robert surrendered
"That these United Colonies are, and of Right ought to be Free and Independent States." is the concluding line