Answer:
a. They were unsure they could protect themselves if attacked by larger nations.
Explanation: is correct
Answer: By 1850, industrialization had brought prosperity to the British middle class.
Explanation:
After 1850, real wages of workers also rose significantly. Queen Victoria, whose reign from 1837 to 1901 was the longest in English history.
I am pretty sure it was the Ming dynasty
To prevent the spread of European ideas and culture in China
C.) is the corrcet answer HOPE THAT HELPED