He chose to bomb Hiroshima because the other option of invading japan would lead to more bloodshed than the bomb itself could do.
it was also used to weaken their industries in Hiroshima and strong-arm the japanese into surrendering.
hope this helped a little
The walls are thought to have been a symbolic show of authority, designed to preserve the privacy of royal families and set them apart from and above commoners. It is also important to note that the walls surrounded and later adjoined huts made of daga (mud and thatch), linked with them to form a series of courtyards.
The greatest imperial of the 19th century was; C. Great Britain