All of the following are types of societies except
a. industrial.
c. pastoral.
b. economic.
d. pre-industrial.

The answer is B. Economic.

In sociology, the terms industrial, pastoral, and pre-industrial, are used to describe different types of societies that have existed throughout history. This categorization is based on the main economical activity of a society and there have been pre-industrial societies, and pastoral societies. However, the term economic society doesn't exist because every society, no matter its main economical activity, has had its own economic system.

answer; i believe the best and correct answer is stronger bonds between the nations of africa;

can you explain it better