To get jobs in factories, down mines etc. The Agricultural Revolution had led to enclosures of land, which m eant that many people could no longer earn a living from the country. The small farms that used to support most people were replaced by large farms belonging to a smaller number of landowners. The small farmers were driven out to look for work elsewhere. Some of them became farm labourers, working for the big farmers instead of running their own small farms. Others went to the towns.
The industrial revolution brought about a massive change in the way people worked for everyone, not just the small farmers. Prior to the revolution, most people worked in or near their own homes. Crafts like spinning, weaving, pottery etc were carried out at home, not in factories. Whole families tended to be involved in whatever the family enterprise might be. The Industrial Revolution obliged people to go and work in factories instead of working at home. The home and the workplace had become irrevocably seperate. People no longer worked for themselves, but for other people.
The gilded age was a period of economic growth as the United states jumped to the leas in industrialization ahead of Britain. the nation was expanding it's economy into new areas, especially heavy industry like factories, railroads, and coal mining. hope this helps :)
German battleship building and Weltpolitik opened the door to the Anglo-German naval race. Driven by a desire to make the German Empire a viable world power and an integral industrial nation, the Navy Bills of 1898 and 1900 laid out the course for a massive naval expansion under anti-British auspices.