Answer:
2 windows
Explanation:
Building a house as a replica of a model means that the details are followed. The only difference between a model and the real building is their dimension. Other details stay the same. So if the the model has two windows, then the real tree house should have two windows too.
The end of the dynasty would be met with natural disasters such as floods, famines, peasant revolts and invasions. Nationalism in China emerged through historical experiences of greatness and humiliation.
*do not know if this is completely accurate*