The Inland Northwest region has also long been associated with farming, especially wheat production. Initially, the Palouse was thought to unsuitable for wheat production due to the hilly terrain, believing wheat could not be cultivated on the tops of the hills, but the region showed great promise for wheat production when it began in the late 1850s in part due to the hilltops. The Palouse was and still is a breadbasket and was able to develop and grow with the completion of several railroad networks as well as a highway system that began to center around the city of Spokane, aiding farmers from around the region in distributing their products to market. Inland Empire farmers exported wheat, livestock and other agricultural products to ports such as New York, Liverpool and Tokyo.