Answer:
<h2>Raw materials, labor, capital, and power sources.</h2>
Explanation:
Any four means and resources needed for infrastructure of development are raw materials, labor, capital, and power sources.
Raw materials are the most basic and fundamental commodities required to produce a finished product. Therefore, there should be abundance of raw materials to aid the demanding needs of materials while developing infrastructure.
Labor comprise of the physical, mental, and social service given by the people. The need of skilled as well as cheap labor is important while developing infrastructure.
Capital is the most essential resource needed for infrastructure of development. Without capital, no work can be kept going.
Power sources such as energy, electricity, fuel, etc. apart from manpower are also required for infrastructure of development.
The conclusion which best supports the selection is choice (B) where spain suffered economically because of the length of the Spanish-American war.
Explanation:
The spanish- american war was fought between the Spanish and Americans in the year 1898. This was was fought because for Spanish empire to become independent, Cuba which was part of the Spanish empire had to be captured.
The cubans also wanted their independence from the Spanish Empire.
At the end of the war, the Spanish lost many of its possessions . With its territories taken away and and the military losing heavily, they had to suffer enormous economic loss.Cuba, for which the war mainly was fought for,was given nominal independence.
The theory that asserts that motivation is essentially a decision about how much effort to exert to get what you want is expectancy theory.
<h3>What is motivation?</h3>
It should be noted that motivation simply explains why people behave in a particular way.
In this case, expectancy theory states that asserts that motivation is essentially a decision about how much effort to exert to get what you want.
Learn more about motivation on:
brainly.com/question/11871721
It was an era of peace and prosperity.
