The statement about artist from Italy and northern Europe that is true is : Artist from italy focused on capturing ideal form, while artists from northen Europe focused on capturing details. You can see this by the Defined muscle that every male object has in Italian Arts
Its D - Most africans being transported to the US would likely die on the ships because of the extremely poor conditions before they even reached their deplorable fate.
The melting-together metaphor was in use by the 1780s. The exact term "melting pot" came into general usage in the United States after it was used as a metaphor describing a fusion of nationalities, cultures and ethnicities in the 1908 play of the same name.