During the late 1700s and early 1800s, canal building went through many changes. mark the statement below if it is one of those changes. a. the british parliament passed laws directing that rivers be dug deeper and made wider. b. road development made canals obsolete and rarely used. c. private firms cut canals at key points and connected rivers. d. to a web of waterways, boats could reach towns they had never been able to reach before. e. americans showed little interest in the development of canals, regarding them as an old world mode of transportation