Answer:
One example of how contact between Native Americans and Europeans brought changes to Native American societies is with the introduction of the horse made the Native Americans more mobile as compared to their pre-Columbian lifestyle. For example, the Plains Indians now expanded their buffalo hunting since they could cover more territory. The Native Americans had very few beasts of burden like horses prior to European contact.
Explanation:
The formation of NATO and the Warsaw Pact were similar in that they ("<span>B) called for collective security against outside threats," since this was during the Cold War, with NATO being an alliance of western, mostly capitalist states, and the Warsaw Pact representing the Soviet Sphere in the East. </span>
Competition was behind the industrial revolution as various companies competed for customers. Thanks to the Industrial Revolution, customers could more easily access goods. Things that had been considered more luxury items could now be had by anyone as more could be made faster, cheaper, easier, and business owners didn't have to employ as many workers. Businesses also had to compete for raw materials sometimes. Others competed for ideas and patents to create various things.