Answer:
First published in 1890, Jacob Riis's remarkable study of the horrendous living conditions of the poor in New York City had an immediate and extraordinary impact on society, inspiring reforms that affected the lives of millions of people.
Jacob Riis was very concerned with the treatment that immigrants received when they came to America. He did a lot of research and reporting of the conditions that immigrants faced such as work issues and living conditions. He wanted to improve the living conditions that these individuals had and address working issues.
The book was successful. Soon after its publication, The New York Times lauded its content, calling it a "powerful book".
Because of this awakening caused by Riis' efforts, many reforms were quickly compiled to improve conditions for the working poor. In 1894, the Tenement House Committee was established. In 1895, they published the New York Tenement House Act, which outlawed rear tenements and also was the first official document to supplement a written description of tenement housing with photographs.
AT&T held a monopoly in the US and Canada, throughout most of the 20th century. AT&T was the owner of the Bell System, a network of telecommunications companies which included Western Union Telegraph. For many years the slogan of the company was "One Policy, One System, Universal Service."
However antitrust regulators were not happy with AT&T and in 1974, the United States Justice Department opened a case against the company, arguing they were violating the antitrust law. This case was settled in 1982, and the company was order to break up. Hence AT&T was divided into seven Regional Bell Operating Companies.
War victory or even entrance into a war.
Through a series of wars, he expanded his empire across western and central Europe. The Battle of Waterloo, in which Napoleon's forces were defeated by the British and Prussians, marked the end of his reign and of France's domination in Europe.
The ruler of Japan invaded to secure his legacy and make sure he was remembered I believe.