The answer is A I believe
Answer:
Islam was popular in Southeast Asia because it, unlike previous belief systems could be used to validate a ruler's power through the divine. Islam spread throughout the Indonesian archipelago slowly and the process was generally peaceful.
Answer:
There are four types of externalities : Positive consumption, Negative consumption, positive production and negative production. The Acid rain and the pollution emitted by the factories can pollute the environment and affect the health of nearby residents. The negative externalities occur when external costs are imposed on the third party which is outside the market due to consumption and production and no compensation is paid to them.
Answer:
They generally allow for supply and demand to determine prices in a free market fashion - not governments or artificial price levels. Due to its structure, mixed economies allow the economy to be driven by private self-interest and incentives.
C. Gold
West africa was considered wealthy so they would trade gold and salt whereas other areas would trade ivory and other goods