Chlorine and Mustard gas are types of poison gas, sometimes used during chemical warfare. For example Germany introduced their usage against the Allies during WW1.
The basic principle in the exercise of one's right is that it should not interfere with the ability of others to enjoy their rights as well. this means rights have limitations, and these limitations are logical. The graffiti hurted the neighbour and that is a violation of his rights of propert as well.
B : along with them not being able to vote most could not find jobs any were and would have to move to the north to work the factories
South Africa, Nigeria, and Kenya fall in the following order on the continuum:
A Nigeria
B South Africa
C Kenya
1. The North had a bigger population.
2. The South had a better military advantage.