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 Europeans first called New York "New Amsterdam" when it was established as a Dutch trading post in 1624. The settlement was named after the city of Amsterdam in the Netherlands. In 1664, the English captured the city and renamed it New York in honor of the Duke of York.
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.
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.
Jean Baptiste Point du Sable established his trading post at the confluence of the Chicago River and Lake Michigan, in what is now Chicago, Illinois. This strategic location allowed him to engage in trade with Native American tribes and later European settlers. DuSable's trading post is often regarded as the first permanent non-Indigenous settlement in the area, marking the beginnings of Chicago's development.
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