Geographical and topographical challenges make canal building difficult.
Weather-related problems, such as long periods of rain, can slow down the work.
Canals are time-consuming and expensive to build.
to shorten trade routes
Building better roads and canals transform the united states because it improved the transportation of goods and people.
Since ancient times, people have used waterways for transportation. When natural waterways are too difficult to navigate, people sometimes dig canals to provide a better means of transportation. Canals are man-made waterways that change the natural landscape to meet human needs.
Severe water pollution threatens historic Venice.industrial waste,sewage,and saltwater are combining to eat away the foundation of building and damage the building themselves.
Improvements in engineering methods. Answer this question…
Improvements in engineering methods. Answer this question…
Railroads started in America at this time.
The coming of the railroads
location
A more productive way of transporting good was created by building canals by allowing ships to pass without the problems of a normal river
Canals were important to ancient china because between the Huang He and the Chang Jiang rivers, there was no natural means of transportation and so canals were key for trading and farming.
A more productive way of transporting good was created by building canals by allowing ships to pass without the problems of a normal river