Upton Sinclair, Frank Norris and Ida Tarbell made their greatest contributions to the Progressive movement by (4) publishing books and articles to expose the problems of society. Upton Sinclair wrote a book which showed the dangerous and unsanitary lives workers of the Meatpacking District went through on a daily basis, Frank Norris exposed the struggle railroad workers go through with their bosses and the unfairness of the railroad workers life in California and Ida Tarbell wrote about the manipulative men behind the oil trade.
The awnser is becasue the nations were united
Answer:
John Deere invented the steel plow in 1837 when the Middle-West was being settled
Explanation:n 1837, Deere developed and manufactured the first commercially successful cast-steel plow. The wrought-iron framed plow had a polished steel share. This made it ideal for the tough soil of the Midwest and worked better than other plows. By early 1838, Deere completed his first steel plow.
Answer:
The assassination of the heir to the heir to the Austro-Hungarian throne, Archduke Franz Ferdinand, and his wife, Sophie. On June 28, 1914, the couple paid a state visit to Sarajevo, the capital of Bosnia.
Explanation: