How did canals and roads help the United States grow?

Canals and roads were helpful in transportation, population growth, and economic growth.

Explanation:

Roads could be constructed across longer distances to let people far apart reach each other, and it also allowed for transportation to become more efficient. Canals also had the same effect, and when people constantly used these roads, it became a new source of revenue.

both the house and senate must approve the conference report.   after it is approved by both on an identical from, it will be sent to the president.   if the president approves it, it will become law.