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European cultural ideas and institutions began to follow colonial expansion into other parts of the world. There was also a rise, especially toward the end of the era, of nationalism in music (echoing, in some cases, political sentiments of the time), as composers such as Edvard Grieg, Nikolai Rimsky-Korsakov, and Antonin Dvorak echoed traditional music of their homelands in their compositions.

Edvard Grieg and Antonin Dvorak used what kind of music in their compositions?
Answer: traditional music of their homelands
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Hogarth then proceeds to say where and why in some detail, but no more mention is made of the classics. His analysis is geopolitical. His map delineates the Nearer East with regular lines as though surveyed. They include Iran, the Balkans, but not the Danube lands, Egypt, but not the rest of North Africa. Except for the Balkans, the region matches the later Middle East. It differs from the Ottoman Empire of the times in including Greece and Iran. Hogarth gives no evidence of being familiar with the contemporaneous initial concept of the Middle East.

What does Hogarth say in detail?
Answer: where and why
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The wastewater treatment plant and distribution system of water mains, pumping stations and storage facilities provide water to approximately 62,000 customers in the city. There is also a wastewater treatment plant located on the south bank of the James River. This plant can treat up to 70 million gallons of water per day of sanitary sewage and stormwater before returning it to the river. The wastewater utility also operates and maintains 1,500 miles (2,400 km) of sanitary sewer and pumping stations, 38 miles (61 km) of intercepting sewer lines, and the Shockoe Retention Basin, a 44-million-gallon stormwater reservoir used during heavy rains.

How many kilometers of sewer lines exist in Richmond?
Answer:
61