What was the leading economic activity in the united states in the early 1800s?

Leading economic activity in US in the early 1800’s was agriculture. Cotton was the dominant crop in the South and alimentary products were required in the growing eastern cities and towns. The expansion of railroads from one end to the other of the country expand trade and commerce.

in contrast, the biological controls are self-sustaining, inexpensive and very effective once established. biological control could be used on thousands of golf course acres, improving their biodiversity and quality as wildlife habitat. in the process, the golf industry will be shown to be leaders in an environmental stewardship program of benefit not only to the lands they manage but also to the watersheds in which they exist.