Answer:
The correct option is: "the Mexican-American War"
Explanation:
It was the the Mexican-American War that brought about the need or desire to begin an expansionist policy with regard to foreign affairs, since the end of this war ceded a lot of new territory that was used by settlers moving west.
Answer:
During the Great Depression years, the Wagner act was passed which prevented employers from interfering with workers' unions and protests in the private sectors.
Panama was the best place
The correct answer is option C) Steam Engine
Steam Engines were developed in the 1st Industrial Revolution in England. They led to the development of trains which provided fast travel throughout the country.
Steam Engines require the burning of coal to make steam and push machinery. This meant that the Steam Engine and Coal were perfect complimentary products and the increase in demand for one, would automatically increase the demand for the other.
Railway lines completely transformed countries as more and more goods and people could be transported cheaply and quickly.
From England, steam engines and trains spread to Europe, the US and other parts of the world and for the next 150 years, trains became the preferred mode of transport.