WILL GIVE BRAINLIEST TO HOWEVER ANSWER IN LESS THEN 10 MINS Which best explains how rivers affected the interaction between prehistoric groups?

They protected groups from invasion.
They invited interaction with other regions.
They kept groups separate most of the time.
They let groups divide and form unique cultures.

What championed nationalism and denounced nullification

According to us supporters, which was a benefit of purchasing alaska? the territory would be a buffer to invasions from europe. the territory would provide a place for many americans to live. it would increase trade by improving access to the northern pacific. it would increase the united states’ power by creating a bond with russia.

Why was the scientific method considered to be a major contribution during the scientific revolution? a) the scientific method proved religion was wrong. b) the scientific method proved religion was correct. eliminate c) the scientific method established a systematic way to find proof using reason. d) the scientific method established a systematic way to find reason without proof.