Supervision of the country and city Government would be the correct answer to your question.
<span>During the late 19th century and early 20th century, many of the immigrants were from Ireland, Italy, Poland and Sweden. Some of these immigrants were dislocated Jews, and some had arrived even earlier from China. These people came to the United States with the goal of attaining a better and more prosperous life.</span>
The "New Immigration" to the United States in the late-nineteenth century refers to the increased numbers of people arriving from Southern Europe.
Not all industries prospered in the Boom in the 1920s of America.
Old industries such as Coal and Cotton did terribly in the Boom as people became interested in the new products such as clothes made from artificial material(polyester). Coal was an old source of power, in the 1920s oil and electricity became greatly used.
Agriculture was also poor many farmers left the farmland to find work in the city. As new people emerged, new demands also appeared. Instead of fresh fruits and vegetables, Americans preferred cereals and bread which lead to the decrease of demands in fruits.
In the 1920s, Argentina and Canada began to supply the world crops which lead to the drops of demands from USA directly. Later in the year Prohibition(anything related to alcoholic drinks was made illegal) was introduced which caused an instant drop to the demands of barley(barley was used for making alcoholic drinks such as beer)
He used more pacifistic methods in order to help free India from the British raj, or harsh rule (loose translation). Some of these methods would be simple defiance by taking his own salt when there was a law saying that they can't collect their own, or by starving himself for extended periods of time.
This is what I know if you find something better I encourage you to use it, this is at least the basic premise and a few examples.
I hope it helps.
