Answer:
Oil, natural gas, and petroleum products dominate the second group, while linseed oil, cotton, cattle hides, fish meal, wool, copper, tin, iron ore, lead, and zinc top the third group. South American manufactured goods have gained access to world markets as well.
Answer: In Medieval Europe, knights pledged loyalty to vassals, who in turn pledged theirs to powerful lords, and serfs labored in the fields.
Explanation:
A rigid hierarchy refers to one where people who are born into a certain position in life, find it quite hard to move from it or rather one where there are different social classes and people had to be classified in one class for the system to work.
The system during medieval times was much like this. Social classes existed that determined a person's worth in society such as the knights, vassals, Lords and Royals. There was also the serfs who were considered the lowest in the hierarchy.
The Eastern and Western Ghats are located in peninsular India in southeast Asia. The Eastern Ghats stretch around 900 miles along the country's eastern coast, which borders the Bay of Bengal, while the Western Ghats stretch around 1,000 miles along the country's western coast, which borders the Arabian Sea.