In the 1920's and 1930's gained popular support was by appealing national pride. So it’s C hope it helps :D
Mayan stoneworkers would decorate their building as a show of rank. It would show the other Mayans that they were important and demand respect.
The Industrial Revolution transformed economies that had been based on agriculture and handicrafts into economies based on large-scale industry, mechanized manufacturing, and the factory system. New machines, new power sources, and new ways of organizing work made existing industries more productive and efficient
Africa started to be decolonized ~1945 - 1960, so i believe it was
C. the end of world war II
i'm not so sure tho
but hope this helps