Answer:
False
Explanation:
Stupid. Why would the europeans want to spread disease? Our knowledge of disease and it's transmission was not good enough for colonists to even understand that they were spreading disease. Certainly they did, but it wasn't their goal or main reason.
What are you actually asking?
Answer: Streams and rivers erode and transport sediment. They erode bedrock and/or sediment in some locations and deposit sediment in other areas. Moving water, in river and streams, is one of the principal agents in eroding bedrock and sediment and in shaping landforms.
Explanation: