General Winfeild Scott.
California has.
Through its history, and particularly between the troubles that ran from the late 1960s to the late 1990s, there have been many terrorist attacks in Northern Ireland, though it is not a problem in modern times.
because of ancient times:)
It was built to protect the northern boarders of the Chinesse Empire from the attacks of the neighbour dynasties and more specifically from the Xiongnu(nomadic people from central Asia)attacks.
all the northern part because it is warmer! all the northern part because it is warmer!
The Great Wall of China
the great wall of china
Politiacl reconstruction
Most land in Northern California is owned by BLM (BUREAU OF Land Managment) And the few that do live up there are farmers or militia or both. No country and no civilization can ever be totally safe from an unexpected terrorist act, as was proved in the attacks of 9/11. The mere existence of military bases, even if fully armed, is no protection. The world needs to work towards eliminating the causes of terrorism, difficult given the fanatical attitudes invloved.
The Germanic tribes were unyielding in their attacks on northern Italy. The unyielding wall was impossible to smash using only our sledgehammers.
Political reconstruction
To populate the northern territories and fend off Native American attacks.