Here is a question about this article: During the Gilded Age, there was substantial growth in population in the United States and extravagant displays of wealth and excess of America's upper-class during the post-Civil War and post-Reconstruction era, in the late 19th century. The wealth polarization derived primarily from industrial and population expansion. The businessmen of the Second Industrial Revolution created industrial towns and cities in the Northeast with new factories, and contributed to the creation of an ethnically diverse industrial working class which produced the wealth owned by rising super-rich industrialists and financiers called the "robber barons". An example is the company of John D. Rockefeller, who was an important figure in shaping the new oil industry. Using highly effective tactics and aggressive practices, later widely criticized, Standard Oil absorbed or destroyed most of its competition.
What is the answer to this question: What did Financiers refer to rich industrialist as?
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So... robber barons

The problem: Answer a question about this article:
Plans for arena football were put on hold in 1982 as the United States Football League was launched. Foster left the NFL to accept a position in the USFL. He eventually became executive vice-president with the Chicago Blitz, where he returned to his concept of arena football. In 1983, he began organizing the test game in his spare time from his job with the Blitz. By 1985, the USFL had ceased football operations and he began devoting all his time to arena football, and on April 27, 1986, his concept was realized when the test game was played.
What was Foster's job title with the Chicago Blitz?
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The answer: executive vice-president

Problem: Please answer a question about the following article about New Haven, Connecticut:
New Haven (local /nu hevn/, noo-HAY-vn), in the U.S. state of Connecticut, is the principal municipality in Greater New Haven, which had a total population of 862,477 in 2010. It is located on New Haven Harbor on the northern shore of the Long Island Sound in New Haven County, Connecticut, which in turn comprises the outer limits of the New York metropolitan area. It is the second-largest city in Connecticut (after Bridgeport), with a population of 129,779 people as of the 2010 United States Census. According to a census of 1 July 2012, by the Census Bureau, the city had a population of 130,741.
What was the population of New Haven according to the 2010 Census?
A: 129,779

Question: Read this and answer the question

Tito's foreign policy led to relationships with a variety of governments, such as exchanging visits (1954 and 1956) with Emperor Haile Selassie of Ethiopia, where a street was named in his honor.

Who is the Emperor of Ethiopia in 1954?
Answer: Selassie

Problem: The National Library of Nepal is located in Patan. It is the largest library in the country with more than 70,000 books. English, Nepali, Sanskrit, Hindi, and Nepal Bhasa books are found here. The library is in possession of rare scholarly books in Sanskrit and English dating from the 17th century AD. Kathmandu also contains the Kaiser Library, located in the Kaiser Mahal on the ground floor of the Ministry of Education building. This collection of around 45,000 books is derived from a personal collection of Kaiser Shamsher Jang Bahadur Rana. It covers a wide range of subjects including history, law, art, religion, and philosophy, as well as a Sanskrit manual of Tantra, which is believed to be over 1,000 years old. The 2015 earthquake caused severe damage to the Ministry of Education building, and the contents of the Kaiser Library have been temporarily relocated.
Along with Hindi, Sanskrit, Nepali and English, the National Library contains books in what language?
The answer is the following: Nepal Bhasa

Input: Article: Geography effects solar energy potential because areas that are closer to the equator have a greater amount of solar radiation. However, the use of photovoltaics that can follow the position of the sun can significantly increase the solar energy potential in areas that are farther from the equator. Time variation effects the potential of solar energy because during the nighttime there is little solar radiation on the surface of the Earth for solar panels to absorb. This limits the amount of energy that solar panels can absorb in one day. Cloud cover can effect the potential of solar panels because clouds block incoming light from the sun and reduce the light available for solar cells.

Now answer this question: Why does time have an effect of the amount of available solar energy?

Output:
during the nighttime there is little solar radiation on the surface of the Earth for solar panels to absorb