During the 19th century, what was a major purpose of pools, trusts, and cartels?

During the 19th Century, a major purpose of pools, trusts, and cartels was to increase profits for a small number of firms at the expense of other smaller firms, and the economy as a whole. This was why there were so many attempts to "break up" the trusts. 

Towns and small farms are usually for land, lakes, rivers, and seas.they also produce other food, like crops.it's also where animals are, where we get our meat.large plantations normally have forests, where crops are grown for sale. (similar to farms)plantations have larger fields of crops.our wine, sugar canes, and fruits come from plantations.