What was the purpose of the series of locks that the engineers built into the panama canal

Army Engineers and the Building of the Panama Canal, 1907 - 1914. Lock Construction. A key aspect of the canal plan was the decision to use a series of locks to raise ships above sea level and into a lake upon which they would traverse the Panamanian interior before being lowered again on the other side.

c. archbishop desmond tutu promoted the acknowledgement of the rights of black africans and expose human rights abuses.

d. leader haile selassie modernized african society through the institution of progressive social, economic, and educational reforms.