Why was Theodore Roosevelt awarded the Nobel Peace Prize?

The railroad industry contributed to America’s late-nineteenth-century rapid industrialization in all the following ways EXCEPT:

President Wilson’s principles for a just and lasting peace after World War I was known as the

This short-lived national labor union was influential in persuading Congress to enact an eight-hour workday for federal employees and to repeal the 1864 Contract Labor Act:

All the following terms related to the World War I era are correctly identified EXCEPT:  

Jazz had its roots in____________music.

All the following individuals or groups related to the Gilded Age are properly identified EXCEPT:

By the end of the nineteenth century, the industrial capacity of the United States:

Which of the following best describes the Knights of Labor?

Although the Populist Party quickly faded away after the presidential election of 1896: