I'm pretty sure it was the 13th Amendment, which abolished slavery. Hope this helps :)
Answer:
Catherine the Great or Catherine II
Explanation:
The british population has been warned in september that air attacks on cities and likely and civil deference preparations had been started some time before both on national and local level. the night raids become so frequent that they were practically continuous. many people are obviously tired because their sleep were repeatedly interrupted because they have to go back and forth to the streets.