All I know is part A to the question :The geography of India greatly influenced the location of early settlements on the subcontinent. Both the Indus and the Ganges rivers carried rich silt from the mountains to the plains. When the rivers flooded, the silt spread over the plains and made the soil in the river valleys fertile for farming.
As for the majority of ancient societies, men were the ones who held the most power in the family. Their was the last say and they could decide what would be done. However, families who had slaves had women commanding them. The wives were the ones who took control of slaves in the house.
Bioenergy - renewable energy produced by living organisms such as plants.
The primary renewable energy sources in South America are 16% bioenergy, 8% hydropower and 1% each for geothermal, solar and wind power.