1.   As the deadline for the turnover approached this fall, critics insisted the U.S. must keep a military presence in Panama to protect the canal.

2.   At the same time, trees are being planted to protect the canals from sandstorms.

3.   Not a few United States armed interventions in Central America were aimed largely at protecting the canal from hostile powers.

4.   Independent groups had expressed concern that terrorist or extremist groups could attempt to board the British ship, especially since Panama has no army to protect the canal.

5.   What would we say if the Israelis were to attack Egypt and we were to send in paratroops to protect the canal against this act of war?