A or B not sure though
(1 or 2)
The similarity between the social system is the hierarchy that created in society based on the job that held by individuals.
The main difference is the openness. South Asian culture directly acknowledge the discrimination while the European culture masked it even though the nobles held all the power in the society.
What do you mean because the question is not here
Answer:
Soil salinity can be reversed, but it takes time and is expensive. Solutions include improving the efficiency of irrigation channels, capturing and treating salty drainage water, setting up desalting plants, and increasing the amount of water that gets into aquifers. Mulches to save water can also be applied to crops.
Explanation: Hope this helps