How many countries in Africa?​

All of the following occurred due to the invention of the railroad except

According to speculation and study, what will happen to the global birth rate in about 40 years? (1 point)

How does colonization continue to affect the caribbean today? a. most of the caribbean is controlled by european countries. c. most people leave the caribbean to migrate to europe. b. there are many languages spoken in the caribbean because of the many nations who colonized the region. d. none of the above