Answer:
Some hoped to find new, rich farmland. ... They did not have enough money to buy farmland in the east. Others came from other countries and hoped to build new lives in the United States. All the settlers found it easy to get land in the West.
Explanation:
It brought upon social stratification because certain jobs enabled receiving more food which in turn gave these people the upper hand as they were able to decide who will have enough food to survive. Another thing was blacksmithing and smithing swords only for themselves which gave them a weapon that other people didn't have.
The British passed the taxation on tea.
A & B the answers to questions
It was built by Sun Yat-sen.