More and more people moved westward to claim lands that were once inhabited by Native Americans. This was encouraged by the government. This also led to several conflicts with Indians that would later lead to a war between the Indians and U.S. army. In the end, the west was completely settled completing the U.S. expansion to that area.
Just try asking so you can learn instead of using this app
Answer:
4
Explanation:
I learned this a while ago, and the other answers are completely irrelevant.
Answer: mental set
Explanation: Problem solving could simply be defined as a set of processes required to proffer solution or find answers to a problem. The most commonly identified barriers to problem solving include ; confirmation bias, mental set, functional fixedness, unnecessary constraints, and irrelevant information.
In the scenario above, the barrier to problem solving the individual is failing to overcome is the mental set, which could be explained when an individual is rigid on a particular method or procedure adopted in solving previous problems. There is every possibility that, the individual was successfully able to open previous doors by pushing the door and has become inclined to the idea of pushing on all doors to gain entry.
b. barter economy
Simple trading, no money involved. (Also the definition of barter)
