John Wolfe introduced the staple crop, tobacco.
American colonists resented and opposed the Quatering Acr of 1765,not because they were being traced to pay for previous and barracks for the army -a standing army that they thought was unnecessary during peacetime and an army that they feared
You could say life became easier, people no longer had to move from place to place. They could also spend time on hobbies instead of always growing food. They began to settle down in villages to a safer easier life.
As for the rivers, the colonists were aware you must have water to successfully maintain life whether it be human life or plant life, it is necessary. Also being close to water helped them in the workforce, like carrying out trade or fishing It was a "win win" for them.