Here is a question about this article: Railroads have been an important method of transportation in Montana since the 1880s. Historically, the state was traversed by the main lines of three east-west transcontinental routes: the Milwaukee Road, the Great Northern, and the Northern Pacific. Today, the BNSF Railway is the state's largest railroad, its main transcontinental route incorporating the former Great Northern main line across the state. Montana RailLink, a privately held Class II railroad, operates former Northern Pacific trackage in western Montana.
What is the answer to this question: What is the states largest railway?
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So... BNSF Railway

Here is a question about this article: In addition to setting the international law, the United Nations initiated International Program on the Elimination of Child Labour (IPEC) in 1992. This initiative aims to progressively eliminate child labour through strengthening national capacities to address some of the causes of child labour. Amongst the key initiative is the so-called time-bounded programme countries, where child labour is most prevalent and schooling opportunities lacking. The initiative seeks to achieve amongst other things, universal primary school availability. The IPEC has expanded to at least the following target countries: Bangladesh, Brazil, China, Egypt, India, Indonesia, Mexico, Nigeria, Pakistan, Democratic Republic of Congo, El Salvador, Nepal, Tanzania, Dominican Republic, Costa Rica, Philippines, Senegal, South Africa and Turkey.
What is the answer to this question: What is the aim of this?
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So... progressively eliminate child labour

Here is a question about this article: Houston was the headquarters of Continental Airlines until its 2010 merger with United Airlines with headquarters in Chicago; regulatory approval for the merger was granted in October of that year. Bush Intercontinental became United Airlines' largest airline hub. The airline retained a significant operational presence in Houston while offering more than 700 daily departures from the city. In early 2007, Bush Intercontinental Airport was named a model "port of entry" for international travelers by U.S. Customs and Border Protection.
What is the answer to this question: With which airline did Continental Airlines merge?
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So...
United Airlines