Why were the first bronze coins in China known as "knife coins?"
they had pictures of knives on the front
they were shaped like knives
they were sharp around the edges
they were made of the same material as knives

They were shaped like knives

Explanation:The bronze coins were shaped like knives, so they were called "knife coins."

answer: we can define a cultural region as a section of a land with cultural elements like religion, language, cuisine or architecture. cultural regions are different because its land for example can vary in size of few square miles to millions. they can also form cultural boundaries.

moreover cultural regions can be organized due to less difference between the same ethnic group. we can say also that exist three types of cultural regions such as the formal, functional and vernacular ones. for istance the formal regions refers to sharing cultural traits of people like religion or languages.

explanation: