In a free enterprise system, the consumers decide over everything connected to buying the products, such as 1) which goods or services to buy at all 2) where and from whom to get those goods and services 3) how much to buy and 4) what is an acceptable prize for them.
The increase of trade and transportation of animals or people.
The Principle of Cross-Cutting tells us that a fault must be older than the rock it cuts. Cross-cutting in geology was formulated by Nicolas Steno, a Danish geologist in the mid-1600's. It is usually used in combination with radiometric age dating, which can tell the geologist how old the rock is.
