5.5 Looking at New York’s process of urban development what has been the most important, and long-lasting, action on the physical form of the city?

i. The construction of the Dutch wall (at present-dayWall Street), encompassing a set of 20 street blocks.

ii. The implementation of the new pattern of streets, street blocks, and plots proposed by the 1811 plan.
iii. The construction of major road infrastructures in the mid-twentieth century.