Why do you think so many merchants and manufacturers were federalists?

In federalism, power is hold by a central brain and a nation or state is subdivided into localities.  It is a centralized form of government. Mainly, the goal was to establish a well-organized society. In order to achieve this, the government needs to prioritize the rich first. Therefore, it encourages merchants and manufacturers because these people could help boost an economy. With this kind of treatment, it is no wonder why so many of them are in favor of federalism.

It's considered to be association or connection

What was the length to begin with?