What is the south african government providing and to whom?

Segregation or discriminatory practices that occur even when there is no explicit legal enforcement

This cartoon appeared in 1916. the topic of the cartoon isa)the reason for the start of world war i.b)the success of us submarines in world war i.c)the military alliance between germany and mexico.d)the attitude in the us towards submarine warfare in world 

Which organelle is marked with an x?