P: The relationship between the Ottomans and the Mamluks had been adversarial since the Fall of Constantinople to the Ottomans in 1453; both states vied for control of the spice trade, and the Ottomans aspired to eventually taking control of the Holy Cities of Islam. An earlier conflict, which lasted from 1485 to 1491, had led to a stalemate. By 1516, the Ottomans were free from other concernsSultan Selim I had just vanquished the Safavid Persians at the Battle of Chaldiran in 1514and turned their full might against the Mamluks, who ruled in Syria and Egypt, to complete the Ottoman conquest of the Middle East.
Answer this: How many years did the stalemate of the Ottomans and Mamluks last?

A: 6

P: In 2000 there were 128,925 households in Toledo, out of which 29.8% had children under the age of 18 living with them, 38.2% were married couples living together, 17.2% had a female householder with no husband present, and 40.0% were non-families. 32.8% of all households were made up of individuals and 11.0% had someone living alone who was 65 years of age or older. The average household size was 2.38 and the average family size was 3.04.
Answer this: How many in percent of households didn't have children under the age of 18 living with them?

A: 70.2

P: An important element the Revolution's legacy is the 1917 Constitution. It was pushed forward by populist generals within Carranza's government to undermine the popular support that Pancho Villa and Emiliano Zapata held. It was not written by liberal elites or the military itself, but rather young radicalized professionals, giving the document some authenticity for the peasantry. The document brought numerous reforms demanded by populist factions of the revolution, with article 27 empowering the state to expropriate resources deemed vital to the nation. These included expropriation of hacienda lands and redistribution to peasants. Article 27 also empowered the government to expropriate holdings of foreign companies, most prominently seen in the 1938 expropriation of oil. In Article 123 the constitution codified major labor reforms, including an 8-hour work day, a right to strike, equal pay laws for women, and an end to exploitative practices such as child labor and company stores. The constitution strengthened restrictions on the Roman Catholic Church in Mexico. In the early 1990s, the government introduced reforms to the constitution that rolled back the government's power to expropriate property and its restrictions on religious institutions. Just as the government of Carlos Salinas de Gortari was amending significant provisions of the constitution, Metro Constitucion de 1917 station was opened.
Answer this: The 1917 Constitution was written by who?

A:
young radicalized professionals,