I believe the first one is C but i’m not sure i can’t really see it
Answer:
The economic and social changes of the early 20th century greatly influenced the North American and European worldview which, in turn, shaped the development of new styles of art. Artists began to question and experiment with themes of reality, perspective, space and time, and representation.
They were a powerful northeast Native American confederacy
The one that differentiates Christopher columbus from Bartolomeu Dias is : Columbus planned to reach Asia by sailing west across Atlantic Ocean, while Dias hope to reach Asia by sailing around Africa and through the Indian Ocean.
Hope this helps
I think it is D because It makes sense