You don't say where and when. If it's about the discovery of the East in the 15th and early 16th century, the answer is: the Portuguese.
The Hudson's Bay Company and the RCMP.
In antiquity an emporion (Greek) or emporium (Latin) was a trading post set up in a foreign territory.
If you are referring to the European explorers, their legacy was colonialism and post-colonialism.
Wall Street's origins date back to the late 17th century, specifically around 1624 when the Dutch established a trading post in Manhattan. The name "Wall Street" comes from a wooden wall built by the Dutch in 1653 to protect against British and Native American attacks. The street became a financial hub in the 1790s, particularly after the establishment of the New York Stock & Exchange Board in 1817, which laid the groundwork for modern trading.
Whiteville, North Carolina, got its name from the white, sandy soil that characterized the area. The town was established in the mid-1800s and was originally a trading post for local farmers. The name reflects the natural landscape and the agricultural potential of the region. Over time, Whiteville developed into a center for commerce and community in Columbus County.
Portugal
the Portuguese
The first permanent European post explorer settlement in Washington was established at Fort Nisqually, near present-day Tacoma, in 1833 by the Hudson's Bay Company. It served as a trading post and agricultural center for the fur trade.
St Joseph, Michigan, dates back to 1785, when William Burnett established a trading post and became the first permanent settler.
There is some strange English in your question, but New York started out as New Amsterdam, a colony and trading post established by the Dutch.
As a trading post
because of trading goods.
What caused an increase in the number of slaves I the northern english colonies
Fort Pierre, established in 1817, was the first permanent settlement in South Dakota.
A trading post is a place where people trade goods and stuff. In the 15th century trading posts were built by European traders along the coasts of Africa and Asia as a base for trade with the interior. Trading posts or 'Factories' were islands of European law and sovereignty, but European authority seldom extended very far beyond the fortified post.
Eschikagon
John Jacob Astor