Answer:
Palenque, Copán, Tikal, Toniná, Yaxchilán, Banampak. The basic city
design consisted of the palace and temples in the center, with the temples in a cross
formation. Buildings were often places on top of older structures.
Your answer is D, 900 CE.
Answer: England 18th century, Western Europe 19th century
Explanation: industrial revolution must be associated with economic liberalism which existed already in 18th-century England (James Watt, Adam Smith and others) whereas in western Europe industrial revolution started later in the 19th century. Term "western Europe" does not include Iberian peninsula and south Italy here.
Many banks had to shut down, textile mills closed, and many families lost their farms
The Vietnam war was in favour of the Northern revolutionary forces. Just after the war, a peace treaty was signed which allows a government to be initiated in the Southern Vietnam, to find out that it has become a puppet government of the North, therefore, Vietnam remained to be a communist state.