Problem: The Duke and Duchess of York had two children: Elizabeth (called "Lilibet" by the family), and Margaret. The Duke and Duchess and their two daughters lived a relatively sheltered life at their London residence, 145 Piccadilly. They were a close and loving family. One of the few stirs arose when the Canadian Prime Minister, R. B. Bennett, considered the Duke for Governor General of Canada in 1931a proposal that King George V rejected on the advice of the Secretary of State for Dominion Affairs, J. H. Thomas.
Who were the Duke and Duchess of York's children?
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Answer: Elizabeth (called "Lilibet" by the family), and Margaret

Problem: Stockton and Kearny went on to recover Los Angeles and force the capitulation of Alta California with the "Treaty of Cahuenga" on January 13, 1847. As a result of the MexicanAmerican War of 184648, the territory of Alta California, including San Diego, was ceded to the United States by Mexico, under the terms of the Treaty of Guadalupe Hidalgo in 1848. The Mexican negotiators of that treaty tried to retain San Diego as part of Mexico, but the Americans insisted that San Diego was "for every commercial purpose of nearly equal importance to us with that of San Francisco," and the Mexican-American border was eventually established to be one league south of the southernmost point of San Diego Bay, so as to include the entire bay within the United States.
What was the name of the treaty developed between Mexico and the United States in 1848?
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Answer: Treaty of Guadalupe Hidalgo

Problem: From about 1800 a fresh influx of Greek architectural examples, seen through the medium of etchings and engravings, gave a new impetus to neoclassicism, the Greek Revival. There was little to no direct knowledge of Greek civilization before the middle of the 18th century in Western Europe, when an expedition funded by the Society of Dilettanti in 1751 and led by James Stuart and Nicholas Revett began serious archaeological enquiry. Stuart was commissioned after his return from Greece by George Lyttelton to produce the first Greek building in England, the garden temple at Hagley Hall (175859). A number of British architects in the second half of the century took up the expressive challenge of the Doric from their aristocratic patrons, including Joseph Bonomi and John Soane, but it was to remain the private enthusiasm of connoisseurs up to the first decade of the 19th century.
Who led an expedition to Greece in 1751?
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Answer:
James Stuart and Nicholas Revett