The California gold rush began on January 24, 1848. The Gold Rush ended in the year 1855.
I guess the purpose of the terracotta soldiers was to protect the emperor in his afterlife...
Answer:
a is 1.
b. is 2.
and c is 3.
BTW, this is not a guess.
Answer:
A convention is an agreement between 2 countries helping over a particular problem, less formal then a treaty . Also a convention is a gathering where people meet and discuss a problem or similar interests.