I think it's population and transportation but I'm not sure
Answer:
The boston massacre or b
Explanation:
I did the test/assignment
By the 1660s, London was the largest city in Britain. The Great Fire of London started at the bakery of Thomas Forriner ( or Fraynor ) who was the king`s baker, on Pudding Lane on September 2, 1666. It spread rapidly across the City if London. On September 6, the fire was brought under control. About 13,500 houses and 87 churches were destroyed. Answer: The Great Fire of London.
The answer is B, Thousands of troops and leaders were captured.
The completion of the first transcontinental railroad in 1869 encouraged settlement of the American west by proving easier travel and it took less time.