By around 1800, the first well-known investigators in England were not paid as police officers but rather, were paid a percentage of all fines resulting from successful prosecution of thieves. These investigators soon became known as:

The Bow street runners

Explanation: From History, The Bow street runners emerged as the first set of professional London police having stated as a group of 6 members in 1749 before rising to 68 members by 1800. They made use of sticks, handcuffs and pistol in apprehending criminals. The Bow street runners were paid a certain percentage of the fines accrued from successful conviction of criminals. The Bow street runners were later disbanded in 1839 and succeeded by the Metropolitan Police Service.

a) it is located in central mexico.

first of all, it's important to say that the book we shall not be moved, written by joan dash, is about the first strike of women in the united states in the year 1909. the best historical detail to clarify the reader's undertanding is the phrase "general strike". this strike involved women working at a garment factory who decided to protest   long working hours, low wages and brutal conditions. this strike became known as "the new york shirtwaist strike" or "the uprising of the 20,000". the strike mostly involved jewish women who did not speak english or who had a basic knowledge of the english language. finally, the strike went on from november 1909 until february 1910.