Newark or Atlantic city would qualify.
Newark.
Because New Jersey didn't have any natural harbors.
It depends what you mean by major city, but Jersey City, indeed, is a big city. Being in close proximity of New York City, has provided Jersey City with certain advantages (and disadvantages too), in terms of increasing concentration of companies, upmarket condominiums, bars and restaurants. The local economy is dependent on folks who work in NYC and live in Jersey City.
Trenton
Atlanta, Georgia is a major U.S. city. Atlantic City, New Jersey and Albany, New York are major cities.
The major conurbations of New York include much of northern New Jersey, including Newark, Jersey City, and Bayonne. It also includes places in New York like Yonkers.
Newark of the Essex County and Jersey City of the Hudson county.
Jersey City, New Jersey.
Population wise: Paterson, Newark, Trenton, Princeton, Jersey City, Morristown, Elizabeth, Edison, Camden, Atlantic City.
New York Pennsylvania New Jersey Delaware and Philadelphia
Yes, it is the capital city of New Jersey.
Lumbering is not New Jersey's major industry.