question: After World War I, public opinion in the United States began to run against the occupation. Warren G. Harding, who succeeded Wilson in March 1921, had campaigned against the occupations of both Haiti and the Dominican Republic. In June 1921, United States representatives presented a withdrawal proposal, known as the Harding Plan, which called for Dominican ratification of all acts of the military government, approval of a loan of $2.5 million USD for public works and other expenses, the acceptance of United States officers for the constabulary—now known as the National Guard —and the holding of elections under United States supervision. Popular reaction to the plan was overwhelmingly negative. Moderate Dominican leaders, however, used the plan as the basis for further negotiations that resulted in an agreement between U.S. Secretary of State Charles Evans Hughes and Dominican Ambassador to the United States Francisco J. Peynado on June 30, 1922, allowing for the selection of a provisional president to rule until elections could be organized. Under the supervision of High Commissioner Sumner Welles, Juan Bautista Vicini Burgos assumed the provisional presidency on October 21, 1922. In the presidential election of March 15, 1924, Horacio Vásquez Lajara, an American ally who cooperated with the United States government, handily defeated Peynado. Vásquez's Alliance Party  also won a comfortable majority in both houses of Congress. With his inauguration on July 13, control of the republic returned to Dominican hands.
Answer this question: How many months after Warren G. Harding succeeded Wilson was the Harding Plan presented?
answer: 3

question: The Crimean Tatar's invasions of Russia  began in 1507, after the death of Moscow's grand duke Ivan III, with the Crimean Khanate attacking the Russian towns of Belev and Kozelsk. Over the course of the 16th century, the outer border of the Wild Steppes was near the city of Ryazan, outside the Oka River. The main path for the invading forces to Moscow was the Muravsky Trail, running from the Crimean Isthmus of Perekop, between the basins of the Dnieper and Severskiy Donets rivers, and finally up to Tula. The Tatars would turn back only after extensive looting and kidnapping, the Tartars usually managed to penetrate 100-200 kilometers into Russian territory. Captives were subsequently sent to the Crimean city of Caffa to be sold into Slavery. As a result, the Russian population in the border regions suffered heavily. Each spring, Russia mobilized up to 65,000 soldiers for border service. The defensive lines consisted of a circuit of fortresses and cities. To protect from invasions by the Nogai Horde in the region between the Volga and Irtysh rivers, the Volga cities of Samara , Tsaritsyn , and Saratov  were founded. The most damaging invasions occurred in 1517, 1521 , 1537 , 1552, 1555, 1570-72 , 1589, 1593, 1640, 1666-67 , 1671, and 1688.
Answer this question: How many Volga cities were founded to protect from invasions by the Nogai Horde?
answer: 3

question: For about three centuries, the Qing dynasty had enforced—albeit with mixed success—a policy of segregating the non-Han peoples  on the frontier from Han Chinese. By the end of the 19th century, however, China faced the prospect of being parcelled out among the Western powers and Japan, each competing for its own sphere of influence in the country. On the northern frontier, Russian Empire was viewed by the Qing court as posing the greatest threat to its territorial integrity. In response, the Qing government adopted a different policy, the "New Administration" or "New Policies" , which called for the sinification of Mongolia through Chinese colonisation, the exploitation of Mongolia's natural resources , military training, and education. Many Mongols regarded the "New Policies" as a major threat to their traditional way of life, as was agreed to be preserved when they recognised authority of the Qing emperors, and began to seek independence. In July 1911 a group of Khalkha nobles persuaded the Jebtsundamba Khutuktu, the head of Mongolian Buddhism , that Mongolia must declare its independence from the Qing dynasty. They agreed to send a small delegation to Russia to obtain its assistance in this undertaking. In October 1911 revolution broke out in China, with one province after another declaring its independence from the Qing government. On 1 December 1911 Outer Mongolia declared independence, and established a theocracy under the Khutuktu. On 29 December he was installed as the Bogd Khaan  of Mongolia. This ushered in the Bogd Khaan era, which lasted from 1911 to 1919.
Answer this question: How many days after Outer Mongolia declared independence from the Qing government was Khutuktu installed as the Bogd Khaan of Mongolia?
answer:
28