Also , the British blockade of the American coast increased inland trade , so that goods flowed through Pittsburgh from all four directions .
The war with Britain , the manufacturing center of the world , cut off the supply of British goods , stimulating American manufacture .
Also , the Britain blockade of the American coast increased inland trade , so that goods flowed through Pittsburgh from all four directions .
The war with Britain , the manufacturing center of the world , cut off the supply of British goods , stimulating American manufacture .