Answer: I believe the most intentional consequence, would be answer 2. Europeans take corn to Africa. Corn becomes an important crop there.
Explanation: The first answer about the sailors and conquistadors infecting people with smallpox could be unintentional, because they could've not had any symptoms so they didn't know they had smallpox. Answer 3 doesn't make much sense to me.. so, I limited it down to answer 2.
Hope this helps!
Answer:
For his part, Hitler wanted a nonaggression pact with the Soviet Union so that his armies could invade Poland virtually unopposed by a major power, after which Germany could deal with the forces of France and Britain in the west without having to simultaneously fight the Soviet Union on a second front in the east.
Explanation:
In the 20th century we had a massive increase in population living in the cities which in turn urbanized cities everywhere. Giant skyscrapers began building everywhere and cities began growing and expanding.
A Ghetto, was the location were Jews during the WW2 were marginated, as the expression of an anti-semitic racial policy of Adolf Hitler that became institutionalized.
Most of the Ghettos were established all over Germany, Poland, parts of France. There the conditions for a living were extremely bad: they lacked the most essential things for a living. Many didn't have good energy and water supply. The security of the neighborhood is also compromised. Many unrest can happen and there is little to be done as authorities will not care. As leaving a Ghetto was illegal, the people escaping them were systematically executed.
Perhaps the most representative Ghetto is the nowadays Warsaw Ghetto, that serves as museum and memorial for Nazi crimes against humanity. This Ghetto once had almost half a million people living on it.
Below you can see how many Ghettos mostly in East Europe were later transformed into Death Camps:
The revolutionary war (america gaining independence from Britain)
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