The immediate cause of World War I that made the aforementioned items come into play (alliances, imperialism, militarism, nationalism) was the assassination of Archduke Franz Ferdinand of Austria-Hungary. In June 1914, a Serbian-nationalist terrorist group called the Black Hand sent groups to assassinate the Archduke.
The correct answer is:
B. Relocation to suburbs.
Relocation to suburbs has been a constant of urban life since the early 1900s.

The correct answer is limited government intervention in the economy. Proponents of this quote believed in capitalism and entrepreneurship as vital in creating prosperity. As a result, they were opposed to government intervening to control business for instance to promote equality.
Explanation:
This question presupposes that Muhammed Ali did in fact bring people together. During his working lifetime, that is, when he was actually boxing, Muhammed Ali was an incredibly controversial figure who many wanted to see lose. His talent led some people to him but he was not a universally beloved figure in his time. In fact, the movie Rocky is seen as a jab (pun intended) at Ali
Ghettos in Germany first were areas to contain Jews, but eventually those people also fed the concentration camps