The Transcontinental Railroad innovation had the GREATEST impact on westward migration immediately after the American Civil War.
After the Civil War, there was great interest and opportunity with westward expansion. With the invention of the railroad, the transport of goods and people became quicker and less expensive than ever before.
Answer:
B. The growing threat of the former Soviet Union and world communism.
Explanation:
The U.S. signed the many treaties in order to ensure peace. There was an increasing threat of the soviet union and there was a lot of tension between the two nations, a lot of it due to communism. Those treaties didn't work for long because just 2 years later, the cold war broke out.
In a market economy the production is determined not by someone's decision <em>(which can be wrong, and a wrong decision is the reason why there there are unwanted goods or a lack of wanted goods) </em>but it is regulated by the supply and demand: if there is a need for a good, it will be produced, and if there is no need for something, its production will halt and there will not be an unwanted storage.
In short, in a market economy, the economy itself regulates this.
Answer: A) stimulus
Explanation:
A stimulus is a factor which can bring a change in the chemical and physical structure of the organisms. The stimulus is the part of the external environment of organism. And the ability of the organism to respond to the stimulus is called as the sensitivity.
Here, music is the stimulus which brings causes you to start foot tapping which is a response towards this stimulus.