A formal region is A. derived from people's sense of identity and attachment to different areas.
B. an area that possesses one or more unifying cultural or physical traits.
C. an area unified by a specific social, cultural, or economic activity.
D. nonexistent in developing nation.​

How would i answer this for an exam?

Select the word from the list that best fits the definition of branch of islam that is in iran

Why have the countries of the region had difficulty establishing democratic governments in recent years? choose all answers that are correct b is also correct i need to know if theres any morecommunists have overtaken the countries of the caucasus region. the soviets established national borders in the region without considering the location of ethnic groups. fighting continues between armenia and azerbaijan over the nagorno-karabakh region. civil war between communists and islamic groups in tajikistan resulted in thousands of deaths and refugees are forced to flee. in a test!