Which of the following is an example of a constructive population pyramid

I think you mean "Constrictive". Either way:
Constructive means there are more older people than young in a population. (population is getting smaller (constricting) 

Expansive means there are more young than old in a population. (population is expanding) 

Stationary means there is an equal old/young population. (population steady)

The primarily goals of the zapatistas of mexico in 1994 were land reform and redistribution. it is also included in their demands to have a greater political and cultural autonomy for the indigenous people of chiapas and the rest of mexico.