The correct answer to this open question is the following.
Some of the problems that America faced as more and more people emigrated from many different nations were that different people with different background entered the country, they took jobs that supposedly belonged to American citizens, the immigrants did not speak English, and they brought different ideas that were not well accepted by Americans.
This also provoked some defensive reactions from US citizens that did not accept most of the immigrants. Overpopulation of some areas of larger cities also became a considerable problem that affected people. Some of them started to show some signs of racism and indifference to immigrants.
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Answer:
The city of Glasgow, Scotland is particularly noted for its 19th-century Victorian architecture, and the early-20th-century "Glasgow Style", as developed by Charles Rennie Mackintosh.
The western façade of the Moorish Revival Templeton's Carpet Factory.
Very little of medieval Glasgow remains, the two main landmarks from this period being the 15th-century Provand's Lordship and 12th-century St. Mungo's Cathedral. St. Mungo's Cathedral, also known as the High Kirk and Glasgow Cathedral, is the oldest building in Glasgow and is an example of Scottish Gothic architecture.
The vast majority of the city as seen today dates from the 19th century. As a result, Glasgow has an heritage of Victorian architecture: the Glasgow City Chambers; the main building of the University of Glasgow, designed by Sir George Gilbert Scott; and the Kelvingrove Art Gallery and Museum, designed by Sir John W. Simpson are examples
The Doctrine was made mainly for national security and to protect US business interests