The Corporation, the ninth Economic <l:6,66>Advance<e>, opens a new age of economic warfare. In this new war, the power of the marketplace can be used to weaken and defeat the enemy. New <l:1,46>Corporate Branches<e> create <l:6,33>franchises<e> that siphon off 50% of a foreign city's valuable <l:6,93>production<e> - without severing all economic ties, no nation is safe. Also, <l:3,22>Edison's Lab<e> becomes a powerful force driving new technologies and pooling scientific talent to give the Civilization an average of 10 free Advances per Age. 