Teacher:This task involves creating questions from a given passage that involve some kind of complex reasoning (including numerical reasoning). 
The generated questions must require looking at more than one part of the passage to answer. Try to use a variety of reasoning types in your questions (some of the sample reasoning types are illustrated in the 'positive examples' field) and also have a variety of answer types (spans, numbers, dates). A span is a continuous phrase taken directly from the passage or question. In such questions, the answer spans are recommended to be five words. Questions with answer type "number", are expected to start with "How many". For instance, "How long did an event last?" can be phrased as "How many years did an event last?". To increase diversity, try to create more questions for which the answer will be multiple spans. Please create questions that require AT LEAST 2 arithmetic operations as illustrated in the 'positive examples' field. You are encouraged to try DIFFERENT COMBINATIONS of operations and not just limit to the combinations shown in those examples. The more challenging questions you create, the better it is.
Teacher: Now, understand the problem? Solve this instance: Passage: Díaz created a formidable political machine, first working with regional strongmen and bringing them into his regime, then replacing them with jefes políticos  who were loyal to him. He skillfully managed political conflict and reined in tendencies toward autonomy. He appointed a number of military officers to state governorships, including General Bernardo Reyes, who became governor of the northern state of Nuevo León, but over the years military men were largely replaced by civilians loyal to Díaz. As a military man himself, and one who had intervened directly in politics to seize the presidency in 1876, Díaz was acutely aware that the Federal Army could oppose him. He augmented the rurales, a police force created by Juárez, making them his personal armed force. The rurales were only 2,500 in number, as opposed to the 30,000 in the Federal Army and another 30,000 in the Federal Auxiliaries, Irregulars, and National Guard. Despite their small numbers, the rurales were highly effective in bringing control to the countryside, especially along the 12,000 miles of railway lines. They were a mobile force, often put on trains with their horses to put down rebellions in relatively remote areas of Mexico.
Student:
How did Diaz create his political machine?