QUICK Which of the following were advantages that concrete had over stone?
1. Concrete was lighter than stone.
2. Concrete was heavier than stone.
3. Concrete was easier to work with than stone.
4. Concrete required less skill than did stone.

A. 1 only
B. 1 and 4
C. 1 and 2
D. 1, 3, 4

1. what was the result of growing nationalism and pan-africanism on european-african relations? africans were encouraged to seek independence from europe. european colonialism grew and strengthened in africa. the change of power from european to african rule went smoothly. africans believed they could live peacefully with europeans.