The correct option is "Sea ports facilitated shipping goods and receiving raw materials."
US Industrialization was facilitated by a unique confluence of geographic, social and economic factors. The post-American Revolution remained low relative to its European counterparts and the demand for labor created strong incentives to mechanize labor-intensive tasks. The East Coast of the United States, with a large number of rivers and streams along the Atlantic coast, including many potential sites for the construction of mills and the necessary infrastructure for scientific industrialization and early technology.
