Every states in America has different tax regulations on wide variety of products. This difference was intended to ensure that the state can help a certain type of economic sector to grow depending on the availability of the resources.
In taxation, Sale of local goods fall under the jurisdiction of the States' and local government.
Example of this would be the sales of oil. In Texas, oil sales usually subjected to around 2.6% sales tax regardless of the usage. In New York, people don't have to pay it as long as it's for household usage.
All these fundamental facts like the belief system and the norms and the rules and the customs and the people and their relation with the languages firms the cultural environment of the earth and they are represented by the distinct cultures the landscape.
One reason China became isolated is becasue they became a communism, it impacted the devolpment because not many countrys do deals with communist countrys