Positive Effects: <span>Rivers provided fertile soil for farming, agriculture increased, first villages started </span> <span>Cultural Diffusion </span> Transportation of people, goods, foods- Irrigation systems were built
<span>Negative Effects: </span> <span>Flooding like the River of Sorrows in China -people starve to death and migrated-move </span> <span>Invasion from other neighbors </span>
Answer:Docking With Wind or Current Toward the Dock Approach slowly, parallel to the dock. Let the wind or current carry your boat to the dock. Shift into gear briefly if you need to adjust position.