As the hamlet of Brooklyn waxed in size and took on the characteristics of an organized community, with a formulated political plan, a fire department, a commercial nucleus that justified a petition[17] to the Legislature for the establishment of a local bank, and a population of nearly 5000 people, it began to feel more directly and inevitably than it ever had theretofore the effect of political and commercial movements in the State, and in the nation as a whole. The early years of the present century, during which Napoleon was terrorizing Europe, were years of formative uncertainties to the young United States. John Fiske has called this time "the critical period" of American history. Speaking of the extraordinary commercial manifestations of the post-Revolutionary period, Mr. Fiske says: "Meanwhile, the different States, with their different tariff and tonnage acts, began to make commercial war upon one another. No sooner had the other three New England States virtually closed their ports to British shipping than Connecticut threw hers wide open, an act which she followed up by laying duties upon imports from Massachusetts. Pennsylvania discriminated against Delaware, and New Jersey, pillaged at once by both her greater neighbors, was compared to a cask tapped at both ends. "The conduct of New York became especially selfish and blameworthy. That rapid growth, which was so soon to carry the city and the State to a position of primacy in the Union, had already begun. After the departure of the British the revival of business went on with leaps and bounds. The feeling of local patriotism waxed strong, and in no one was it more completely manifested than in George Clinton, the Revolutionary general, whom the people elected Governor for nine successive terms. From a humble origin, by dint of shrewdness and untiring push, Clinton had come to be for the moment the most powerful man in the State of New York. He had come to look upon the State almost as if it were his own private manor, and his life was devoted to furthering its interests as he understood them. It was his first article of faith that New York must be the greatest State in the Union. But his conceptions of statesmanship were extremely narrow. In his mind, the welfare of New York meant the pulling down and thrusting aside of all her neighbors and rivals. He was the vigorous and steadfast advocate of every illiberal and exclusive measure, and the most uncompromising enemy to a closer union of the States. His great popular strength and the commercial importance of the community in which he held sway made him at this time the most dangerous man in America."